Subgrade pavement hi-res stock photography and images

Concrete pavement base with reinforcement. This is done by laying down a sub-base, a layer of aggregate material that is placed above the subgrade to Stock Photo

RF2S07XW4–Concrete pavement base with reinforcement. This is done by laying down a sub-base, a layer of aggregate material that is placed above the subgrade to

Holdorf, Germany. 02nd Mar, 2022. The subgrade for a new concrete pavement is located on the A1 freeway in the direction of Dortmund and Osnabrück in the area of the Dammer Berge service area. According to Autobahn GmbH, a concrete layer of 1 highway kilometer per day shift can currently be built with a concrete paver. Credit: Friso Gentsch/dpa/Alamy Live News Stock Photo

RM2HTR4H8–Holdorf, Germany. 02nd Mar, 2022. The subgrade for a new concrete pavement is located on the A1 freeway in the direction of Dortmund and Osnabrück in the area of the Dammer Berge service area. According to Autobahn GmbH, a concrete layer of 1 highway kilometer per day shift can currently be built with a concrete paver. Credit: Friso Gentsch/dpa/Alamy Live News

A road construction site: A worker using a transport engineering instrument, a lightweight deflectometer, for measuring subgrade compaction Stock Photo

RFJJG8B3–A road construction site: A worker using a transport engineering instrument, a lightweight deflectometer, for measuring subgrade compaction

On the Road, Explore the World, Braves road trips, discover, funny journey, Destination, challenge, Road travel, driving Stock Photo

RF2XB8G73–On the Road, Explore the World, Braves road trips, discover, funny journey, Destination, challenge, Road travel, driving

a road sign, stop, road repair is torn out of the ground and lies on a ruined city street against the background of people passing by Stock Photo

RF2BBYCMW–a road sign, stop, road repair is torn out of the ground and lies on a ruined city street against the background of people passing by

Female construction worker repairing road with aggregate, Hsipaw, Myanmar Stock Photo

RMK46JXP–Female construction worker repairing road with aggregate, Hsipaw, Myanmar

Failure on shoulder due to lack of drainage, Georgia. Original caption: Lack of drainageways has permitted water to seep under edges of pavement, weakening subgrade and resulting in failures of the surface along the edges. US 1, two miles north of the Georgia-Florida line in Georgia. Photo by T. W. Kines, January 1952. State: Georgia. Stock Photo

RM2M48CTD–Failure on shoulder due to lack of drainage, Georgia. Original caption: Lack of drainageways has permitted water to seep under edges of pavement, weakening subgrade and resulting in failures of the surface along the edges. US 1, two miles north of the Georgia-Florida line in Georgia. Photo by T. W. Kines, January 1952. State: Georgia.

Construction site with planned out stubs, forms, and tools Stock Photo

RF2DCE24X–Construction site with planned out stubs, forms, and tools

Nasty pothole, roadway close up found still life Stock Photo

RM2PMPPCX–Nasty pothole, roadway close up found still life

Public works . ^ inches in the center, ofwhich the east eighteen miles is of one-course con-struction and the remainder of two-course construc-tion. The old roadway was ninety per cent, ordi-nary earth and ten per cent, sand-clay surface. Thecharacter of the soil is such that the pavement can be. >N 11 Vl;i lK a-i;l i-T.u.M l;ivi;i; :fa>WASHING PLANT AND DELlKl;lNG IT Tl ?KEK.XING AND January 28, 1922 PUBLIC WORKS 69 laid direct on subgrade without any foundationcourse. The concrete in the one-course construction isproportioned 1:2 -.3^4 of Portland cement, clean pitsand and gravel, s Stock Photo

RM2AJ4PEK–Public works . ^ inches in the center, ofwhich the east eighteen miles is of one-course con-struction and the remainder of two-course construc-tion. The old roadway was ninety per cent, ordi-nary earth and ten per cent, sand-clay surface. Thecharacter of the soil is such that the pavement can be. >N 11 Vl;i lK a-i;l i-T.u.M l;ivi;i; :fa>WASHING PLANT AND DELlKl;lNG IT Tl ?KEK.XING AND January 28, 1922 PUBLIC WORKS 69 laid direct on subgrade without any foundationcourse. The concrete in the one-course construction isproportioned 1:2 -.3^4 of Portland cement, clean pitsand and gravel, s

Pile of sand prepare for construction site Stock Photo

RF2GH80YM–Pile of sand prepare for construction site

Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe Stock Photo

RMT56AA5–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

RMK46JXE–Female construction worker repairing road with aggregate, Hsipaw, Myanmar

Concrete Pavement Failure, Falls Church. Original caption: These pictures of a failure of the concrete pavement on Lee Highway is front of Gibson's Service Station, Falls Church, Virginia. Failure was due to softening of subgrade when frost came out of the ground after the January 1940 freeze. J. K. Hillers - March 1940. State: Virginia. Place: Falls Church. Stock Photo

RM2M467FH–Concrete Pavement Failure, Falls Church. Original caption: These pictures of a failure of the concrete pavement on Lee Highway is front of Gibson's Service Station, Falls Church, Virginia. Failure was due to softening of subgrade when frost came out of the ground after the January 1940 freeze. J. K. Hillers - March 1940. State: Virginia. Place: Falls Church.

RF2DCE253–Construction site with planned out stubs, forms, and tools

. Engineering and Contracting . Subgrade May Be Prepared by Using Scarifier Attachment on Road RoUer and by Means of Special Drag That May Be Guided by the Side Forms. with good aggregates; a uniformly finished pavement abso-lutely free from ridges or depressions and uniformly well-cured. Any equipment that will enable the contractor to lay a. Subgrad large volume of pavement complying iu every detail with thefundamentals listed above will insure success to the contractorand favor with the engineer. Stock Photo

RM2CE76AH–. Engineering and Contracting . Subgrade May Be Prepared by Using Scarifier Attachment on Road RoUer and by Means of Special Drag That May Be Guided by the Side Forms. with good aggregates; a uniformly finished pavement abso-lutely free from ridges or depressions and uniformly well-cured. Any equipment that will enable the contractor to lay a. Subgrad large volume of pavement complying iu every detail with thefundamentals listed above will insure success to the contractorand favor with the engineer.

RMT5ACFX–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

Construction worker repairing road, pouring boiling bitumen by hand onto aggregate, Hsipaw, Myanmar Stock Photo

RMK46JTF–Construction worker repairing road, pouring boiling bitumen by hand onto aggregate, Hsipaw, Myanmar

RM2M48985–Concrete Pavement Failure, Falls Church. Original caption: These pictures of a failure of the concrete pavement on Lee Highway is front of Gibson's Service Station, Falls Church, Virginia. Failure was due to softening of subgrade when frost came out of the ground after the January 1940 freeze. J. K. Hillers - March 1940. State: Virginia. Place: Falls Church.

RF2DCE25F–Construction site with planned out stubs, forms, and tools

. Electric railway journal . wood ties, due to the seepage of moisture throughthe pavements, especially where frequent sprinkling ofthe track is practised. As a result of rolling the subgrade and the use of aconcrete foundation with tie plates, the settlement ofthe track structure has been reduced to an inconsidera-ble amount. However, the use of the usual sand cushionunder granite block paving has proved unsatisfactory,particularly for pavement adjacent to the rails. Conse-quently, paving blocks, adjacent to the rails, are now Brooklyn Safety Reports for Employees Many Safety Suggestions Made Stock Photo

RM2CGRYP7–. Electric railway journal . wood ties, due to the seepage of moisture throughthe pavements, especially where frequent sprinkling ofthe track is practised. As a result of rolling the subgrade and the use of aconcrete foundation with tie plates, the settlement ofthe track structure has been reduced to an inconsidera-ble amount. However, the use of the usual sand cushionunder granite block paving has proved unsatisfactory,particularly for pavement adjacent to the rails. Conse-quently, paving blocks, adjacent to the rails, are now Brooklyn Safety Reports for Employees Many Safety Suggestions Made

RMT5ACFP–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

RMK46K0R–Construction worker repairing road, pouring boiling bitumen by hand onto aggregate, Hsipaw, Myanmar

RM2M48990–Concrete Pavement Failure, Falls Church. Original caption: These pictures of a failure of the concrete pavement on Lee Highway is front of Gibson's Service Station, Falls Church, Virginia. Failure was due to softening of subgrade when frost came out of the ground after the January 1940 freeze. J. K. Hillers - March 1940. State: Virginia. Place: Falls Church.

. Boone County Recorder . m10 to 20 per cent to the cost of aconcrete pavement. The most economical method is tohave the work of mixing and placingthe concrete as nearly continuous aspracticable. The work should beplanned with a primary view of keep-ing the mixer going full time. Thedrainage structures, the grading, andthe subgrade should, therefore, becompleted well in advance of the mix-er and provision made for obtainingall of the necessary- materials withoutdelay. A common error is the failureto make adequate provision for deliv-ering water on the work, and theamount which a given stream i Stock Photo

RM2CE4JHD–. Boone County Recorder . m10 to 20 per cent to the cost of aconcrete pavement. The most economical method is tohave the work of mixing and placingthe concrete as nearly continuous aspracticable. The work should beplanned with a primary view of keep-ing the mixer going full time. Thedrainage structures, the grading, andthe subgrade should, therefore, becompleted well in advance of the mix-er and provision made for obtainingall of the necessary- materials withoutdelay. A common error is the failureto make adequate provision for deliv-ering water on the work, and theamount which a given stream i

RMT56MJ4–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

RMK46JY0–Female construction worker repairing road with aggregate, Hsipaw, Myanmar

. Electric railway journal . rain is connected to the city sewer system atintervals of 600 ft. where the track grade is continuousand at all breaks in grades. Surface drainage is providedby concrete inlets set in the flangeways inside the rails.Every precaution is taken in applying the grout filler tomake the pavement thoroughly waterproof. TRACK LAYING After the subgrade has been prepared, the ties arebrought to the job in dump cars which run on the trackparalleling the one undergoing reconstruction. The sideboards on one side of these dump cars are raised so thatthe ties will slide into the Stock Photo

RM2CGRATT–. Electric railway journal . rain is connected to the city sewer system atintervals of 600 ft. where the track grade is continuousand at all breaks in grades. Surface drainage is providedby concrete inlets set in the flangeways inside the rails.Every precaution is taken in applying the grout filler tomake the pavement thoroughly waterproof. TRACK LAYING After the subgrade has been prepared, the ties arebrought to the job in dump cars which run on the trackparalleling the one undergoing reconstruction. The sideboards on one side of these dump cars are raised so thatthe ties will slide into the

RMT56AA7–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

. Official proceedings . y olitained in the pavement. These recordsare available to any one who is interested in Highway Construc-tion. The results of the core-drilling depth tests are tabulatedand sent to the Controller of Allegheny County for his informa-tion before the final estimate is paid. The specifications permita variation of one-fourth inch in depth with a reduction in pricefor any amount in excess of one-fourth inch and not exceedingone-half inch. This deduction is so great that the Contractorwould find it very unprofitable to use an uneven subgrade. If 149 a core is obtained showin Stock Photo

RM2CH3B7A–. Official proceedings . y olitained in the pavement. These recordsare available to any one who is interested in Highway Construc-tion. The results of the core-drilling depth tests are tabulatedand sent to the Controller of Allegheny County for his informa-tion before the final estimate is paid. The specifications permita variation of one-fourth inch in depth with a reduction in pricefor any amount in excess of one-fourth inch and not exceedingone-half inch. This deduction is so great that the Contractorwould find it very unprofitable to use an uneven subgrade. If 149 a core is obtained showin

RMT56MJ0–Farm machinery on a curved road in Kent with a blue sunny sky background, Kent, England, United Kingdom, Europe

. Boone County Recorder . t organiza-tion and proper equipment. Failureto take those factors into considera-tion frequently results In adding from10 to 20 per cent to the cost of aconcrete pavement. The most economical method is tohave the work of mixing and placingthe concrete^ as nearly continuous aspracticable. The work should beplanned with a primary view of keep-ing the mixer going full time. Thedrainage structures, the grading, andthe subgrade should, therefore, becompleted well in advance of the mix- FOR SALE. Good residential and businessDro^-^ifiB in Covington •^jap-Ft.Mitchell, Ky.; Stock Photo

RM2CE4J0M–. Boone County Recorder . t organiza-tion and proper equipment. Failureto take those factors into considera-tion frequently results In adding from10 to 20 per cent to the cost of aconcrete pavement. The most economical method is tohave the work of mixing and placingthe concrete^ as nearly continuous aspracticable. The work should beplanned with a primary view of keep-ing the mixer going full time. Thedrainage structures, the grading, andthe subgrade should, therefore, becompleted well in advance of the mix- FOR SALE. Good residential and businessDro^-^ifiB in Covington •^jap-Ft.Mitchell, Ky.;

. Electric railway journal . agon. The subgfade was rolled witha five-ton roller in accordance with the specifications ofthe city engineer. This was most useful in compactingthe back fill over trenches dug by others to repairsewer, water and gas connections prior to constructionof the new pavement. The ballast over these openingsand over soft spots in the subgrade was reinforcedby laying three parallel lengths of 60-lb. T-rail underthe steel ties. A shortage of track bolts due to non-delivery madenecessary the use of but two bolts in the joint platesin portions of the new track over which cars Stock Photo

RM2CPGB11–. Electric railway journal . agon. The subgfade was rolled witha five-ton roller in accordance with the specifications ofthe city engineer. This was most useful in compactingthe back fill over trenches dug by others to repairsewer, water and gas connections prior to constructionof the new pavement. The ballast over these openingsand over soft spots in the subgrade was reinforcedby laying three parallel lengths of 60-lb. T-rail underthe steel ties. A shortage of track bolts due to non-delivery madenecessary the use of but two bolts in the joint platesin portions of the new track over which cars

. Electric railway journal . because the ballast is confinedin a trench, often well drained, at a somewhat greaterdepth below the surface of the subgrade soil, which ismore compact than on the regular roadbed in the openand protected as a rule by pavement which should anddoes prevent most of the surface water from reaching Winter Track Construction atSharon, Pa. Some Details of Work Done Under Difficult Cli-matic Conditions to Provide Transportationfor Workers in War Industries Plants By A. B. Stitzer Chief Engineer Republic Engineers, Inc., New York City SHARON, PA., is one of the rapidly gro Stock Photo

RM2CR7KAD–. Electric railway journal . because the ballast is confinedin a trench, often well drained, at a somewhat greaterdepth below the surface of the subgrade soil, which ismore compact than on the regular roadbed in the openand protected as a rule by pavement which should anddoes prevent most of the surface water from reaching Winter Track Construction atSharon, Pa. Some Details of Work Done Under Difficult Cli-matic Conditions to Provide Transportationfor Workers in War Industries Plants By A. B. Stitzer Chief Engineer Republic Engineers, Inc., New York City SHARON, PA., is one of the rapidly gro

. Boone County Recorder . -THE CORN SHOW— —FOR— Northern Kentucky Will be held in Covington, December 9th and 10th.Visitors will receive a sincere welcome at That Neat Little Place D1BOWSKTS CAFE — No. 6 Pike Street, Covington, KvLunch Served from 11 a. m. to 1 p. m. C. SCOTT CHAMBERS, WALTON, KV. Construction of Concrete Road—Sand and Gravel Piled on Subgrade Readyfor Use—Subgrade Prepared for Concrete Pavement—Road After Near-ly Two Years Servtco. learned, is the only true basis of realand lasting prosperity. Uzziah alsogave an exhibition of worldly wisdomthat he strengthened the defenses o Stock Photo

RM2CE4J26–. Boone County Recorder . -THE CORN SHOW— —FOR— Northern Kentucky Will be held in Covington, December 9th and 10th.Visitors will receive a sincere welcome at That Neat Little Place D1BOWSKTS CAFE — No. 6 Pike Street, Covington, KvLunch Served from 11 a. m. to 1 p. m. C. SCOTT CHAMBERS, WALTON, KV. Construction of Concrete Road—Sand and Gravel Piled on Subgrade Readyfor Use—Subgrade Prepared for Concrete Pavement—Road After Near-ly Two Years Servtco. learned, is the only true basis of realand lasting prosperity. Uzziah alsogave an exhibition of worldly wisdomthat he strengthened the defenses o

. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. VITRIFIED BRICK AS MATERIAL FOR COUNTRY ROADS. 11 of small individual blocks, any one of which might be easily forced down, causing unevenness in the surface, if the foundation were poor; and since the ability of the pavement to resist wear depends very largely on the smoothness of the surface, every reasonable precaution should be taken to prevent any unevenness from developing. The proper type of foundation depends largely on the material com- posing the subgrade and the character of traffic for which the road is des Stock Photo

RMRGBGAP–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. VITRIFIED BRICK AS MATERIAL FOR COUNTRY ROADS. 11 of small individual blocks, any one of which might be easily forced down, causing unevenness in the surface, if the foundation were poor; and since the ability of the pavement to resist wear depends very largely on the smoothness of the surface, every reasonable precaution should be taken to prevent any unevenness from developing. The proper type of foundation depends largely on the material com- posing the subgrade and the character of traffic for which the road is des

. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. POETLAND CEMENT CONCRETE ROADS. 13 pavement, the speed of the vehicle, the character of the tires, and the percentage of the total load which is carried above the springs of the vehicle. Under very unfavorable conditions it may be as high as five times the amount of the static load. The pavement itself depends upon the subgrade for support, and this support is extremely nonuniform in character. The supporting power of a subgrade depends upon the type of soil, its capillarity, the. TRUCK PASSING TRUCK Fig. 1.—Width of r Stock Photo

RMRGCXHH–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. POETLAND CEMENT CONCRETE ROADS. 13 pavement, the speed of the vehicle, the character of the tires, and the percentage of the total load which is carried above the springs of the vehicle. Under very unfavorable conditions it may be as high as five times the amount of the static load. The pavement itself depends upon the subgrade for support, and this support is extremely nonuniform in character. The supporting power of a subgrade depends upon the type of soil, its capillarity, the. TRUCK PASSING TRUCK Fig. 1.—Width of r

. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. i p/onk '20 m:/ no/Zs 6 cenfe/"^ I 1 1 1 I i / /es3 ffian fio/fcj/df/f ofpoye/ne/?/- Fig. 8.—Details of nail template used to test the subgrade.. tion from the true grade and cross section is usually limited to one- eighth inch. This small variation is intended primarih' to insure that the full thickness of pavement will be secured at all points. The subgrade is tested by means of a nail template (Fig. 8), which is moved back and forth over the forms. Should the test show that any portion is too low. the low area Stock Photo

RMRGCXEJ–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. i p/onk '20 m:/ no/Zs 6 cenfe/"^ I 1 1 1 I i / /es3 ffian fio/fcj/df/f ofpoye/ne/?/- Fig. 8.—Details of nail template used to test the subgrade.. tion from the true grade and cross section is usually limited to one- eighth inch. This small variation is intended primarih' to insure that the full thickness of pavement will be secured at all points. The subgrade is tested by means of a nail template (Fig. 8), which is moved back and forth over the forms. Should the test show that any portion is too low. the low area

Subgrade pavement Stock Photos and Images

Subgrade pavement Stock Photos and Images

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