CN103711056B - Steel tool-type temporary construction road and construction method thereof - Google Patents
Steel tool-type temporary construction road and construction method thereof Download PDFInfo
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- CN103711056B CN103711056B CN201310699292.8A CN201310699292A CN103711056B CN 103711056 B CN103711056 B CN 103711056B CN 201310699292 A CN201310699292 A CN 201310699292A CN 103711056 B CN103711056 B CN 103711056B
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Abstract
Steel tool-type temporary construction road and construction method thereof, relate to technical field of road construction, in miniature cushion cap placement, excavation foundation trench is filled and led up again, then the miniature cushion cap of pre-embedded bolt is placed in each foundation trench respectively, with sandstone, the space of remaining space in each foundation trench and miniature cushion cap pushing up below is backfilled and tamped; I iron is fixed on above miniature cushion cap, then surface layer steel plate is arranged on the top of i iron.Short construction period of the present invention, can construct throughout the year, and road bed dewaters in time to have again gutter to ensure.All miniature cushion caps, i iron and surface layer steel plate can remove by fast dismantling after whole construction period terminates, and can reuse again, do not cause waste and pollute, not causing the impact on other construction works.
Description
Technical field
The present invention relates to technical field of road construction, particularly relate to the laying technology of job site temporary road.
Background technology
The temporary road used in current China building field is generally divided into element (ash) rammed earth, building waste change fill out, graded sand and stone place mat, concreting etc., wherein with the application of cast-in-situ concrete temporary construction road at most, because traditional cast-in-situ concrete temporary road construction period is longer, often need base treatment, setting cushion, install template, concreting, joint-cutting treats the processes such as solidifying and maintenance, operation is comparatively loaded down with trivial details and can not come into operation in time, directly affects construction period and reduces economic benefit; Simultaneously for some accident, such as major change, especially the strain capacity that changes of underground utilities is poor, once occur that major change temporary road often needs again to build, artificial, waste of material is larger; More outstanding shortcoming is in long-term use procedure, road surface breakage is seriously difficult to maintenance, can not reuse after construction period terminates, and need drop into big machinery and occur manually a large amount of and produce a large amount of building wastes during dismounting, cause the wasting of resources, run counter to green construction theory.
Summary of the invention
The present invention seeks to the deficiency in order to overcome existing temporary road, the steel tool-type temporary construction road providing a kind of short construction period, site requirements high, not quick for installation.
The present invention includes at least four and carry the reinforced concrete pile cap of prefabricated stone bolt, at least two i iron and a chunk facing steel plate, described i iron is connected by the stone bolt be arranged on reinforced concrete pile cap with described reinforced concrete pile cap, described surface layer steel plate is arranged in above i iron, and is connected with i iron by screw bolt and nut.
Surface layer steel plate of the present invention forms detachable connection with adopting bolt between i iron, between i iron with reinforced concrete pile cap respectively.When needs carry out temporary road construction on a basic plane, only these parts need be installed at the scene, the construction period of this temporary road is short, weatherproof.
Another object of the present invention is the construction method proposing above builder's road.
The present invention includes following steps:
1) position, road surface of SD temporary construction road and the position of miniature cushion cap setting;
2) at miniature cushion cap setting position place excavation rectangle foundation trench, then with sandstone, part is carried out to the foundation trench degree of depth and fill and lead up;
3) the miniature cushion cap of pre-embedded bolt is placed in each foundation trench respectively, and makes the part of miniature cushion cap expose plane on foundation trench;
4) with sandstone, the space of remaining space in each foundation trench and miniature cushion cap pushing up below is backfilled and tamped;
5) by the pre-embedded bolt of miniature cushion cap, i iron is fixed on above miniature cushion cap;
6) surface layer steel plate is arranged on the top of i iron by bolt, nut;
7) gutter is set in temporary pavement both sides.
Short construction period of the present invention, can construct throughout the year, and road bed dewaters in time to have again gutter to ensure.All miniature cushion caps, i iron and surface layer steel plate can remove by fast dismantling after whole construction period terminates, and can reuse again, do not cause waste and pollute, not causing the impact on other construction works.
In order to strengthen the lifting capacity of road, also in order to increase stability and the bearing capacity on road surface, in step 4), the space between going to the bottom to top and surface layer steel plate on miniature cushion cap forms sand stone layer with sandstone backfill.
Surface gathered water is caused, higher than both sides height 3 ‰ in the middle part of the sand stone layer of the present invention's backfill, and with gradient transition in order to prevent road surface to be shaped low-lying afterwards.
In step 5), the length direction of i iron prolongs road longitudinal arrangement.Because if transverse to road arrangement i iron, then i iron can be cut, and can produce more wastes; If transversely arranged along road, when heavy-load automobile process, steel plate and i iron can be caused to perturb, cause the screwed joint of i iron to destroy, finally cause unstability.Therefore, longitudinal arrangement i iron is consistent with Impact direction, can improve the loss prevention of i iron, to ensure the solid foundation of temporary road.
In order to ensure intensity when connecting, mutually overlap welding with long steel plate respectively in the i iron vertical cross-section both sides of two continued accesses, and obliquely on the long steel plate welded offer circular hole.
The grade of steel of described long steel plate is identical with the grade of steel of i iron, and the length of overlap joint welding is 150mm.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Detailed description of the invention
One, certain project profile
Certain engineering ground takes up an area building area about 199800 square metres, about more than 10000 square metre, a ring shape builder's road and branch road in place, single basement process, formwork erection, concreting material mechanical and manually about need more than 250 ten thousand yuan, and long construction period, also need to wait for that concrete reaches the solidifying phase and could normally use, have a strong impact on the duration and, also need mechanical breaking after work end cycle and clear away and produce kilostere building waste to bring high risks to environment.
Two, prepare before construction:
1, the miniature cushion cap of pre-embedded bolt is made: miniature cushion cap is the bucking ladder being respectively square in the upper and lower end, is highly about 30mm, and the length of going to the bottom is 400mm, and width is 400mm.Pre-buried two crab bolts of difference on each miniature cushion cap.The concrete strength of prefabricated miniature cushion cap should select C35 intensity and above concrete, and ensures that the miniature cushion cap concrete of construction reaches solidifying phase intensity and meets the demands.
2, i iron is made: according to the length of construction permits, cut i iron respectively, and offer the bolt hole for being connected with miniature cushion cap and surface layer steel plate on every root i iron.
3, surface layer steel plate is made: surface layer plate size is added and fully in conjunction with steel plate modulus, should rationally cut into 1250mm × 2500mm modulus, to meet road surface running vehicle requirement man-hour.Should consider that fixing hole is up big and down small during processing surface layer steel plate, the macropore that 4mm rice diameter is greater than nut slope type circle cap 2mm is formed at top, bottom forms diameter and is greater than the hole of bolt 2mm, so that the part of nut sinks in steel plate when fixation steel plate, and smooth-going when keeping road surface running vehicle.
Three, steel temporary construction road, construction sequence:
1, the construction line-putting: according to overall construction site plan and in conjunction with geology prospecting report, planning temporary construction site of road, and with position, lime line SD road surface.
2, according to geological conditions and landforms on the spot, implementation environment and ecological protection: remove surface grafting soil, and strange land is deposited, to recover ecological and planting technique after the construction period.
3, construction of foundation ditch: the miniature cushion cap position that road system is set according to the structural requirement of steel temporary construction road system, and it is clear to carry out mark with lime line on the mattress layer foundation trench surface of excavation, under 1250mm is each, miniature cushion cap foundation trench is dug every 1750mm, transverse direction according to default road transverse direction, under the foundation trench degree of depth of digging be 400mm, length is 600mm, width is 600mm, then with graded sand and stone to foundation trench backfill 200mm tamping.
4, miniature cushion cap is installed: be placed in respectively in each foundation trench by the miniature cushion cap of pre-embedded bolt, and makes top on miniature cushion cap expose plane 10mm on foundation trench.Level with elongated line traffic control cushion cap direction is in length and breadth consistent, and the thickness that can suitably increase and reduce sand-gravel cushion if any vertical deviation regulates.
5, cushion construction: adopt 2,4, No. 6 rubbles and coarse sand by weight the ratio being 6:4, the space of the outer miniature cushion cap of remaining space in each foundation trench and foundation trench pushing up below is backfilled and tamps (Supporting Load Pavement in graded sand and stone suitable grating cement as stabilizing agent), Cast-in-situ Piles in Sand-filling rock layers is domatic shape, and middle part will be considered a little more than road on both sides of the road 3 ‰.
In order to strengthen the lifting capacity of road, can all backfill rubble and coarse sand or the earthwork in the space on i iron below end face, also increasing stability and the bearing capacity on road surface.
6, bed course level controls: by level gauge or the height maintenance level with usual ray examination foundation trench, control errors is within the scope of 5mm.
7, install i iron: on the pre-embedded bolt of miniature cushion cap, fix i iron, the length direction of i iron is consistent with the length direction of road, the level of i iron controls reasonable, should arrange usual line and ensure the upper surface level of i iron during installation.
Consider the combination of i iron and miniature cushion cap upper surface, have certain impact when traveling vehicle and construction equipment to cushion cap, one deck rubber mat plate can be set between i iron and cushion cap.
For the connection of road surface longitudinal extension, should when processing i iron, should to select with i iron with grade of steel and stack pile is the long steel plate of 300mm, respectively in the not upper and lower flush joint welding of ipsilateral reinforcement 150mm of two i iron vertical cross-section, and mutually overlap 150mm, the oblique circular hole offering ￠ 16mm on the reinforcing lapping plate welded, to ensure intensity when linking.
8, surface layer steel plate is installed: adopt cheese head screw fixation steel plate from top to bottom during steel plate erecting of panel, elastomeric pad during installation, should be used not easily to loosen to keep hold-down nut.Install into rear employing ointment the bolt hole of steel plate is tamped, not qualitative with strengthening stud, slow down the corrosion rate of bolt.
9, gutter is set in both sides, road surface.
The structure of the temporary road four, formed:
As shown in Figure 1, 2, the present invention is furnished with three i iron 4 on foundation pad 1, and the spacing between adjacent i iron 4 is identical.The reinforced concrete pile cap 2 that three carry prefabricated stone bolt 3 is equidistantly placed in the below of every root i iron 4, each i iron 4 is offered through hole respectively that coordinate to the prefabricated stone bolt 3 that reinforced concrete pile cap 2 carries be set in respectively on the stone bolt 3 on corresponding reinforced concrete pile cap 2, and adopt nut 6 to connect respectively.
Three i iron 4 are carried out the certain thickness surface layer steel plate 5 of one block, lid, the surface layer steel plate 5 of relative i iron 4 offers bolt hole respectively, certainly on i iron 4, bolt hole is also offered in corresponding position, is fixed on i iron 4 by surface layer steel plate 5 by nut 7 and nut 8.
Five, implementation result:
1, facts have proved this steel temporary construction approach system attractive in appearance stable, bearing capacity reliable, it is simple, quick for installation to process, the rate of recovery is high, can repeatedly use by circulating, use in reality and achieve higher popularization and achieve higher economic benefit, decrease dismounting when being completed tail simultaneously and clear workload, the generation effectively controlling rubbish greatly reduces the pollution to environment.
2, this project adopts steel temporary construction road of the present invention by construction planning; ground digs formula foundation trench under adopting; backfill graded sand and stone; adopt the miniature cushion cap of band built-in fitting prefabricated in advance; select the steel plate of the i iron of different cross section and different-thickness as top course according to the difference in functionality on road surface and load-bearing requirements; altogether invest about 3,000,000 yuan; all achieve the through of the temporary road of construction area; construction period terminates the rear road surface rate of recovery and reaches more than 90%; and substantially do not produce building waste, achieve good positive effect and protect environment.
Claims (5)
1. the construction method of a steel tool-type temporary construction road, it is characterized in that: steel tool-type temporary construction road comprises at least four and carries the reinforced concrete pile cap of prefabricated stone bolt, at least two i iron and a chunk facing steel plate, described i iron is connected by the stone bolt be arranged on reinforced concrete pile cap with described reinforced concrete pile cap, described surface layer steel plate is arranged in above i iron, and be connected with i iron by screw bolt and nut, the construction method of described steel tool-type temporary construction road comprises the following steps:
1) position, road surface of SD temporary construction road and the position of reinforced concrete pile cap setting;
2) at reinforced concrete pile cap setting position place excavation rectangle foundation trench, then with sandstone, part is carried out to the foundation trench degree of depth and fill and lead up;
3) reinforced concrete pile cap of pre-embedded bolt is placed in each foundation trench respectively, and makes the part of reinforced concrete pile cap expose plane on foundation trench;
4) with sandstone, the space of remaining space in each foundation trench and reinforced concrete pile cap pushing up below is backfilled and tamped;
5) by the pre-embedded bolt of reinforced concrete pile cap, i iron is fixed on above reinforced concrete pile cap;
6) surface layer steel plate is arranged on the top of i iron by bolt, nut;
7) gutter is set in temporary pavement both sides;
In step 4), the space between going to the bottom to top and surface layer steel plate on reinforced concrete pile cap forms sand stone layer with sandstone backfill.
2. construction method according to claim 1, is characterized in that height in the middle part of the sand stone layer that backfills is higher than both sides height 3 ‰, and with gradient transition.
3. construction method according to claim 1, is characterized in that the length direction of i iron prolongs road longitudinal arrangement in step 5).
4. construction method according to claim 3, is characterized in that mutually overlapping welding with long steel plate respectively in the i iron vertical cross-section both sides of two continued accesses, and obliquely on the long steel plate welded offers circular hole.
5. construction method according to claim 4, is characterized in that the grade of steel of described long steel plate is identical with the grade of steel of i iron, and the length of overlap joint welding is 150mm.
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| CN201310699292.8A CN103711056B (en) | 2013-12-19 | 2013-12-19 | Steel tool-type temporary construction road and construction method thereof |
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| CN201310699292.8A CN103711056B (en) | 2013-12-19 | 2013-12-19 | Steel tool-type temporary construction road and construction method thereof |
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| CN103711056B true CN103711056B (en) | 2016-03-09 |
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| CN104929141B (en) * | 2015-07-08 | 2016-09-28 | 中冶建工集团有限公司 | Town road passes through the construction method of river embankment or irrigation canals and ditches |
| CN105297577A (en) * | 2015-10-16 | 2016-02-03 | 中交第二航务工程局有限公司 | Assembly-type branch access road structure in mountainous and heavy hilly areas and construction method for same |
| CN105442404A (en) * | 2015-12-30 | 2016-03-30 | 中国建筑第二工程局有限公司 | Steel plate paved road and construction method thereof |
| CN105926404B (en) * | 2016-06-29 | 2017-12-08 | 江苏邗建集团有限公司 | Steel box section cap covering type temporary construction road |
| CN106812042A (en) * | 2017-03-09 | 2017-06-09 | 陕西建工第五建设集团有限公司 | A kind of assembling steel plate road structure and construction method |
| CN108071057A (en) * | 2017-08-30 | 2018-05-25 | 中国冶集团有限公司 | The recyclable builder's road construction technology of tabula beam type |
| CN110081960A (en) * | 2019-03-26 | 2019-08-02 | 四川奇石缘科技股份有限公司 | A kind of Prefabricated road vehicle dynamic weighing platform and its road construction installation method |
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| JP3725605B2 (en) * | 1996-02-15 | 2005-12-14 | 応用地質株式会社 | Movable temporary road surface structure and its installation / removal method |
| KR100929440B1 (en) * | 2009-06-11 | 2009-12-03 | (주)한라스틸엔테크 | The structure of covering construction of the road surface and the processing method of that |
| CN101906751A (en) * | 2010-07-20 | 2010-12-08 | 郑志文 | Ready-package emergency bridge and construction method for changing same into permanent bridge |
| CN202170461U (en) * | 2011-07-18 | 2012-03-21 | 海城市石油机械制造有限公司 | Vehicle-passing base |
| CN203700899U (en) * | 2013-12-19 | 2014-07-09 | 江苏邗建集团有限公司 | Steel tool-type temporary construction road |
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