CN105672334A - Sectional type roadbed water retaining construction method for low-lying terrain area by adopting water retaining plates - Google Patents
Sectional type roadbed water retaining construction method for low-lying terrain area by adopting water retaining plates Download PDFInfo
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- CN105672334A CN105672334A CN201610035336.0A CN201610035336A CN105672334A CN 105672334 A CN105672334 A CN 105672334A CN 201610035336 A CN201610035336 A CN 201610035336A CN 105672334 A CN105672334 A CN 105672334A
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- water fender
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- roadbed
- collecting gutter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 237
- 238000010276 construction Methods 0.000 title claims abstract description 209
- 241000521257 Hydrops Species 0.000 claims description 29
- 206010030113 Oedema Diseases 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005056 compaction Methods 0.000 claims description 7
- 239000002075 main ingredient Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000009189 diving Effects 0.000 abstract description 15
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 235000019994 cava Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a sectional type roadbed water retaining construction method in a low-lying region of a terrain by adopting water retaining plates, which comprises six steps of dividing a pre-constructed roadbed into a plurality of water retaining construction sections, digging a water collecting ditch and a water collecting well at the periphery of a first water retaining construction section, arranging the water retaining plates outside the water collecting ditch of the first water retaining construction section in a mode of overlapping the front water retaining plates with the rear water retaining plates, arranging a water pump in the water collecting well to discharge accumulated water in the water collecting well through the water pump, carrying out roadbed foundation construction operation of the first water retaining construction section, and digging the water collecting ditch at three sides and arranging the water retaining plates to carry out water retaining foundation construction operation of a subsequent water retaining construction section. The invention can effectively block rainwater or diving in the peripheral environment of the road foundation pit outside the road foundation pit.
Description
Technical field
The present invention relates to road construction technical field of construction, be specifically related to a kind of employing water fender and carry out stagewise roadbed dash construction method in hypsography low-lying area.
Background technology
If or hypsography low-lying place smooth in physical features builds road, it is necessary at ground excavation foundation ditch, owing to foundation ditch is relatively low relative to surrounding physical features, in surrounding, rainwater, backwater easily converge in roadbed foundation ditch, in foundation ditch, form hydrops. Owing to being limited by high outside and low outside physical features, the hydrops in road foundation ditch, it is impossible to the hydrops that in employing, high both sides are low discharges scheme. Hydrops in road foundation ditch discharges difficulty greatly, discharges and can badly influence road construction not in time.
Existing roadbed foundation ditch dash drainaging scheme, it is possible to dig gutter in roadbed foundation ditch periphery, collects the rainwater in the environment of roadbed foundation ditch periphery or diving, is then discharged by the water in gutter. But, the water which gutter is collected is more, accordingly, it would be desirable to adopt cement and brick to carry out consolidation process in gutter, after road construction completes, this gutter just loses use value, causes the wasting of resources. Meanwhile, along construction gutter, road both sides, the construction cost in gutter is higher, can greatly increase road construction cost. And road is built in some geographical position, it is impossible to and the gutter that grooving capacity is bigger, or the excavating cost in gutter is higher, such as the road built along mountain.
Existing roadbed foundation ditch dash drainaging scheme, it is also possible to be pile up the low bank of earth between fields in roadbed foundation ditch surrounding, it is prevented that the water in the environment of roadbed foundation ditch periphery flows in roadbed foundation ditch. But the good water permeability of the low bank of earth between fields, the water outside the low bank of earth between fields, it is easy to enter in roadbed foundation ditch by the low bank of earth between fields, it is impossible to effectively dash. In order to collect the water flowed into through the low bank of earth between fields, it is necessary to arrange multiple sump in foundation ditch, and the hydrops being connected with sump collects ditch, through the water that the low bank of earth between fields flows into, flows into sump through collecting ditch, then is extracted out by the hydrops in sump with water plug.
Summary of the invention
The technical problem to be solved is to provide and a kind of the employing water fender that rainwater in road foundation ditch peripheral environment or diving are effectively blocked in outside road foundation ditch can be carried out stagewise roadbed dash construction method in hypsography low-lying area, thus improving dash quality further, improve dash efficiency, improve road construction efficiency and construction quality further.
This invention address that technical problem be the technical scheme is that
Water fender is adopted to carry out stagewise roadbed dash construction method in hypsography low-lying area, water fender includes rectangle water fender framework, water fender includes rectangle water fender framework, it is fixedly installed on the irony matrix water fender body on water fender framework, water fender framework includes being arranged on the magnetic stripe of width both sides and arranges groove and support mounting groove, is arranged on cross tube and the sheer pole of length direction both sides;Magnetic stripe arranges groove with the notch of support mounting groove towards identical, and the lower end of lower end and water fender body that magnetic stripe arranges groove and support mounting groove flushes; Magnetic stripe is arranged in groove from bottom land to notch direction, is sequentially embedded with magnetic stripe, sealing rubber strip, and sealing rubber strip exposes magnetic stripe and arranges groove notch; Also include water fender support, the body of rod being arranged on support mounting groove internal upper part and bottom connects seat, water fender support includes being connected, with the body of rod of bottom in support mounting groove, the first strut that seat is rotatably coupled, and it being connected, with the body of rod of support mounting groove internal upper part, the second strut that seat is rotatably coupled, the free end of the first strut and the second strut is connected by bearing pin;
Stagewise roadbed dash construction method includes being divided into multiple dash construction section by building roadbed in advance, collecting gutter and sump is dug in the first dash construction section periphery, before adopting, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section, sump arranges water pump and discharges the hydrops in sump by water pump, carry out the first dash construction section roadbed capital construction operation, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section six steps of dash capital construction operation
Step 1, it is divided into multiple dash construction section by building roadbed in advance: according to the pre-soil property situation building roadbed outer ring with from pre-, the roadbed outer ring displacement size to farther place draining can be built, being divided into multiple dash construction section by building roadbed in advance, the length of each dash construction section controls in 100～300m;
Step 2, dig collecting gutter and sump in the first dash construction section periphery: reserve construction passage in the initial construction side of the first dash construction section width, dash construction section periphery outside construction passage digs collecting gutter, the collecting gutter intersection of the collecting gutter of length direction and width digs sump, and the collecting gutter of length direction and the collecting gutter of width are respectively provided with the gradient converging flowing water in sump;
Before step 3, employing, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section: digs water fender outside the collecting gutter of the first dash construction section and installs groove, install in groove at water fender and be sequentially arranged multiple water fender, the sealing rubber strip of previous water fender is pieced together on the water fender body at the support mounting groove place of a rear water fender, ring-type water fender split body is formed outside collecting gutter, to water fender, backfilled with earth compacting in groove is installed, each water fender is fixed; First strut of all water fenders and the second strut are produced from support mounting groove, and stride across collecting gutter, the part free end of the second strut is inserted in the earth inside collecting gutter, couple together with the free end of the bearing pin free end by the first strut and the second strut;
Step 4, the hydrops that water pump is discharged in sump by water pump is set in sump: water pump is set in sump, after the hydrops in sump reaches predetermined volume, start water pump, the hydrops in sump is discharged in the environment cannot being back to outside water fender;
Step 5, carry out the first dash construction section roadbed capital construction operation: excavate the original earthwork in the first dash construction section, and transported, form the roadbed foundation ditch in the first dash construction section, in roadbed foundation ditch, load roadbed build main ingredient compaction in layers; After roadbed capital construction operation completes, remove the water fender of the first periphery, dash construction section road, be backfilling and compacted collecting gutter and the sump of the first periphery, dash construction section road with earth;
Step 6, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section dash capital construction operation: to dig the collecting gutter of length direction in the length direction both sides of follow-up dash construction section, width opposite side at the construction section completing construction digs the collecting gutter of width, the collecting gutter intersection of collecting gutter longitudinally and width digs sump, and the collecting gutter of length direction and the collecting gutter of width are respectively provided with the gradient converging flowing water in sump; Before adopting, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of subsequent construction section; Sump arranges water pump and discharges the hydrops in sump by water pump; Excavate follow-up dash construction section, form the roadbed foundation ditch in follow-up dash construction section, in roadbed foundation ditch, load roadbed build main ingredient compaction in layers; This dash construction section roadbed capital construction operation is removed the water fender of this periphery, dash construction section road, is backfilling and compacted collecting gutter and the sump of this dash construction section periphery with earth after completing; Proceed next dash construction section dash capital construction operation, until whole roadbed capital construction completes.
Further, the collecting gutter in step 2 is arranged on 0.3～0.5 meter of outside the first dash construction section.
Further, step 3 also include with the intersection of the collecting gutter of length direction and the collecting gutter of width for starting point, longitudinally in the collecting gutter of collecting gutter and/or width, every 200～30 meters, one sump of formation of digging pit downwards.
Further, the water fender in step 3 is arranged on 0.2～0.4 meter of outside collecting gutter.
The employing water fender of the present invention carries out stagewise roadbed dash construction method in hypsography low-lying area, it is adaptable to road construction, certainly applies also for other capital construction fields.
Compared with prior art, the invention has the beneficial effects as follows:
The employing water fender of the present invention carries out stagewise roadbed dash construction method in hypsography low-lying area, owing to being divided into multiple dash construction section according to the pre-geographical environment built residing for roadbed by building roadbed in advance, send out on the one hand and can reduce dash difficulty, on the other hand by improving dash effectiveness, it is build roadbed in advance when carrying out capital construction operation, roadbed foundation ditch internal water accumulation is little, and roadbed foundation ditch keeps the drying property adapted with roadbed capital construction; Owing to digging collecting gutter and sump in the first dash construction section periphery, before rainwater or diving flow into and carry out the roadbed of capital construction operation, being collected, so that it is guaranteed that during roadbed capital construction, in foundation ditch, maintenance is constructed drying property accordingly; Owing to adopting the mode collecting gutter arranged outside water fender at the first dash construction section of front water fender overlap joint rear water plate, most rainwater in first dash construction section periphery environment or diving are blocked in ring-type water fender split external, only have little part rainwater or diving penetrates into from the soil layer of ring-type water fender split body bottom, the rainwater or the diving that penetrate into are collected by collecting gutter soon, flow in sump, unified discharge from sump again, so that it is guaranteed that during roadbed capital construction, in foundation ditch, maintenance is constructed drying property accordingly; The hydrops in sump is discharged by water pump owing to arranging water pump in sump, by the hydrops in timely pump drainage sump, the risk that sump caves in can be reduced on the one hand, it is also prevented from the water in sump or coupled logical collecting gutter to overflow simultaneously, stream, in roadbed foundation ditch, has influence on roadbed capital construction operation; Owing to adopting the dash form of construction work identical with the first dash construction section, so that it is guaranteed that the quality of follow-up dash construction section capital construction operation and efficiency.
See on the whole, each step of the present invention is interrelated technically, functionally mutually support, thus realizing on the whole being effectively blocked in outside roadbed foundation ditch by the rainwater in roadbed foundation ditch peripheral environment or diving, roadbed foundation ditch is made to keep constructing accordingly drying property, thus improving road construction quality and construction efficiency.
Accompanying drawing explanation
The water fender that adopts that Fig. 1 is the present invention carries out the implementing procedure figure of stagewise roadbed dash construction method in hypsography low-lying area.
The water fender that adopts that Fig. 2 is the present invention carries out the stagewise roadbed dash construction method schematic diagram at the water-retaining structure of the first dash construction section in hypsography low-lying area.
Fig. 3 is that the present invention adopts water fender to carry out the stagewise roadbed dash construction method schematic diagram at the water-retaining structure of follow-up dash construction section in hypsography low-lying area.
Fig. 4 is that the present invention adopts water fender to carry out the structural representation of the water fender involved by stagewise roadbed dash construction method in hypsography low-lying area.
Fig. 5 is that the present invention adopts what water fender carried out water fender involved by stagewise roadbed dash construction method in hypsography low-lying area to arrange structural representation.
Fig. 6 is the structural representation that former and later two water fenders of the present invention splice mutually.
Accompanying drawing labelling in Fig. 2 to Fig. 6 is expressed as: 1-roadbed foundation ditch, 2-collecting gutter, 3-sump, 4-water fender, 5-water fender body, 6-water fender framework, 7-water fender support, the 8-body of rod connects seat, 9-magnetic stripe, 10-sealing rubber strip, 601-magnetic stripe arranges groove, 602-support mounting groove, 603-cross tube, 604-sheer pole, 701-the first strut, 702-the second strut.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Water fender is adopted to carry out stagewise roadbed dash construction method in hypsography low-lying area, water fender 4 includes rectangle water fender framework 6, water fender 4 includes rectangle water fender framework 6, it is fixedly installed on the irony matrix water fender body 5 on water fender framework 6, water fender framework 6 includes being arranged on the magnetic stripe of width both sides and arranges groove 601 and support mounting groove 602, is arranged on cross tube 603 and the sheer pole 604 of length direction both sides; Magnetic stripe arranges groove 601 with the notch of support mounting groove 602 towards identical, and the lower end of lower end and water fender body 5 that magnetic stripe arranges groove 601 and support mounting groove 602 flushes; Magnetic stripe is arranged in groove 601 from bottom land to notch direction, is sequentially embedded with magnetic stripe 9, sealing rubber strip 10, and sealing rubber strip 10 exposes magnetic stripe and arranges groove 601 notch; Also include water fender support 7, the body of rod being arranged on support mounting groove 602 internal upper part and bottom connects seat 8, water fender support 7 includes being connected, with the body of rod of bottom in support mounting groove 602, the first strut 701 that seat 8 is rotatably coupled, and it being connected, with the body of rod of support mounting groove 602 internal upper part, the second strut 702 that seat 8 is rotatably coupled, the free end of the first strut 701 and the second strut 702 is connected by bearing pin;
Stagewise roadbed dash construction method includes being divided into multiple dash construction section by building roadbed in advance, collecting gutter and sump is dug in the first dash construction section periphery, before adopting, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section, sump arranges water pump and discharges the hydrops in sump by water pump, carry out the first dash construction section roadbed capital construction operation, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section six steps of dash capital construction operation, it is achieved process is:
Step 1, it is divided into multiple dash construction section by building roadbed in advance: according to the pre-soil property situation building roadbed outer ring with from pre-, the roadbed outer ring displacement size to farther place draining can be built, being divided into multiple dash construction section by building roadbed in advance, the length of each dash construction section controls in 100～300m;
Before pre-construction roadbed is built, operating personnel, according to building the soil property situation of roadbed outer ring in advance and the roadbed outer ring displacement size to farther place draining can be built from pre-, determine that needs are divided into multiple dash construction section by building roadbed in advance, then adopt and measure instrument, such as tape measure, in conjunction with marking instrument, being divided into multiple dash construction section by building roadbed in advance, the length of each dash construction section controls in 100～300m. Above-mentioned from pre-roadbed outer ring of building to farther place draining, the water for discharging will not be back to pre-construction roadbed outer ring.
This step 1, it is divided into multiple dash construction section by building roadbed in advance according to the pre-geographical environment built residing for roadbed, send out on the one hand and can reduce dash difficulty, on the other hand by improving dash effectiveness, it is build roadbed in advance when carrying out capital construction operation, roadbed foundation ditch 1 internal water accumulation is little, and roadbed foundation ditch 1 keeps the drying property adapted with roadbed capital construction.
Step 2, dig collecting gutter and sump in the first dash construction section periphery: reserve construction passage in the initial construction side of the first dash construction section width, dash construction section periphery outside construction passage digs collecting gutter 2, the collecting gutter 2 of length direction digs sump 3 with collecting gutter 2 intersection of width, and the collecting gutter 2 of length direction is respectively provided with, with the collecting gutter 2 of width, the gradient converging flowing water in sump 3;
During enforcement, construction passage is reserved in the initial construction side of the first dash construction section width, operating personnel, adopt digging tool, such as mini-excavator, in the first dash construction section periphery, namely construction channel side, construction passage opposite side, first dash construction section length direction both sides dig collecting gutter 2, collecting gutter 2 and collecting gutter 2 intersection of width longitudinally dig sump 3, when collecting gutter 2 digs, therefore, to assure that the collecting gutter 2 of length direction is respectively provided with, with the collecting gutter 2 of width, the gradient converging flowing water in sump 3.
Generally, collecting gutter 2 is arranged on 0.3～0.5 meter of outside the first dash construction section, and this position arranges collecting gutter 2, and rainwater or diving in the first dash construction section periphery environment may not flow in the first dash construction section, when guaranteeing roadbed capital construction, in foundation ditch, maintenance is constructed drying property accordingly.
In order to avoid sump 3 caves in, it is typically employed to cement or lays bricks sump 3 sidewall is carried out consolidation process.
This step 2, digs collecting gutter and sump in the first dash construction section periphery, before rainwater or diving flow into and carry out the roadbed of capital construction operation, is collected, so that it is guaranteed that during roadbed capital construction, in foundation ditch, maintenance is constructed drying property accordingly.
In order to fast convergence flows into rainwater or the diving of collecting gutter 2, can also with the intersection of the collecting gutter 2 of length direction and the collecting gutter 2 of width for starting point, longitudinally in the collecting gutter 2 of collecting gutter 2 and/or width, every 200～30 meters, one sump 3 of formation of digging pit downwards.
Before step 3, employing, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section: digs water fender 4 outside the collecting gutter 2 of the first dash construction section and installs groove, install at water fender 4 and in groove, be sequentially arranged multiple water fender 4, the sealing rubber strip 10 of previous water fender 4 is pieced together on the water fender body 5 at support mounting groove 602 place of a rear water fender 4, ring-type water fender split body is formed outside collecting gutter 2, to water fender 4, backfilled with earth compacting in groove are installed, each water fender 4 is fixed;First strut 701 of all water fenders 4 and the second strut 702 are produced from support mounting groove 602, and stride across collecting gutter 2, the part free end of the second strut 702 is inserted in the earth inside collecting gutter 2, couple together with the free end of the bearing pin free end by the first strut 701 and the second strut 702;
During enforcement, outside collecting gutter 2, operating personnel, adopt digging tool, such as mini-excavator, dig water fender 4 and groove is installed, install at water fender 4 and in groove, be sequentially arranged multiple water fender 4, the sealing rubber strip 10 of previous water fender 4 is pieced together on the water fender body 5 at support mounting groove 602 place of a rear water fender 4, after having spliced, outside collecting gutter 2, form ring-type water fender split body, to water fender 4, backfilled with earth compacting in groove are installed, each water fender 4 is fixed; First strut 701 of all water fenders 4 and the second strut 702 are produced from support mounting groove 602, and stride across collecting gutter 2, the part free end of the second strut 702 is inserted in the earth inside collecting gutter 2, couple together with the free end of the bearing pin free end by the first strut 701 and the second strut 702.
The sealing rubber strip 10 of previous water fender 4 is pieced together on the water fender body 5 at support mounting groove 602 place of a rear water fender 4, expose magnetic stripe in stitching portion and the sealing rubber strip 10 of groove 601 is set partly as sealing member, the magnetic adsorbability of the water fender body 5 of a rear water fender 4 is compaction force by the magnetic stripe 9 of previous water fender 4, thus the compacting realizing front and back water fender 4 stitching portion seals, the ring-type water fender split body being stitched together by the way, on the whole, there is good impermeability.
Generally, water fender 4 is arranged on 0.2～0.4 meter of outside collecting gutter 2, this position arranges water fender 4, most rainwater in first dash construction section periphery environment or diving can be blocked in ring-type water fender split external, only have little part rainwater or diving penetrates into from the soil layer of ring-type water fender split body bottom, the rainwater or the diving that penetrate into are collected by collecting gutter 2 soon, flow in sump 3, more unified discharge from sump 3. So that it is guaranteed that during roadbed capital construction, in foundation ditch, maintenance is constructed drying property accordingly.
Step 4, the hydrops that water pump is discharged in sump by water pump is set in sump: water pump is set in sump 3, after the hydrops in sump 3 reaches predetermined volume, start water pump, the hydrops in sump 3 is discharged in the environment cannot being back to outside water fender 4;
During enforcement, operating personnel, sump 3 arranges water pump, and the outlet pipeline of water pump is connected water pipeline, the water side of water pipeline is arranged on the hydrops of pump drainage and cannot be back in the environment outside water fender 4, after the hydrops in sump 3 reaches predetermined volume, start water pump, the hydrops in pump drainage sump 3. When sump 3 arranges water pump, it is possible to be respectively provided with water pump in each sump 3, certainly, in order to save draining cost, it is also possible to multiple sumps 3 share a water pump.
This step 4, sump arranges water pump and discharges the hydrops in sump by water pump, by the hydrops in timely pump drainage sump 3, the risk that sump 3 caves in can be reduced on the one hand, it is also prevented from the water in sump 3 or coupled logical collecting gutter 2 to overflow simultaneously, stream, in roadbed foundation ditch 1, has influence on roadbed capital construction operation.
Step 5, carry out the first dash construction section roadbed capital construction operation: excavate the original earthwork in the first dash construction section, and transported, form the roadbed foundation ditch 1 in the first dash construction section, in roadbed foundation ditch 1, load roadbed build main ingredient compaction in layers;After roadbed capital construction operation completes, remove the water fender 4 of the first periphery, dash construction section road, be backfilling and compacted collecting gutter 2 and the sump 3 of the first periphery, dash construction section road with earth;
Step 6, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section dash capital construction operation: to dig the collecting gutter 2 of length direction in the length direction both sides of follow-up dash construction section, width opposite side at the construction section completing construction digs the collecting gutter 2 of width, collecting gutter 2 and collecting gutter 2 intersection of width longitudinally dig sump 3, and the collecting gutter 2 of length direction is respectively provided with, with the collecting gutter 2 of width, the gradient converging flowing water in sump 3; Before adopting, water fender 4 overlaps the mode collecting gutter 2 arranged outside water fender 4 in subsequent construction section of rear water plate 4; Sump arranges water pump and discharges the hydrops in sump by water pump; Excavate follow-up dash construction section, form the roadbed foundation ditch 1 in follow-up dash construction section, in roadbed foundation ditch 1, load roadbed build main ingredient compaction in layers; This dash construction section roadbed capital construction operation is removed the water fender 4 of this periphery, dash construction section road, is backfilling and compacted collecting gutter 2 and the sump 3 of this dash construction section periphery with earth after completing; Proceed next dash construction section dash capital construction operation, until whole roadbed capital construction completes.
During enforcement, operating personnel, adopt the identical embodiment in step 2 to complete digging of collecting gutter 2, and the digging of sump 3, adopt the identical embodiment in step 3 to complete the setting of water fender 4; The identical embodiment in step 4 is adopted to complete to discharge the hydrops in sump 3; The identical embodiment in step 5 is adopted to complete dash construction section roadbed capital construction operation.
The water fender that adopts being above the present invention carries out the embodiment of stagewise roadbed dash construction method in hypsography low-lying area. From above-mentioned implementation process it can be seen that the present invention realizes effectively being blocked in outside roadbed foundation ditch 1 rainwater roadbed foundation ditch 1 peripheral environment or diving, roadbed foundation ditch 1 is made to keep constructing accordingly drying property, thus improving road construction quality and construction efficiency.
Claims (4)
1. adopt water fender to carry out stagewise roadbed dash construction method in hypsography low-lying area, described water fender (4) includes rectangle water fender framework (6), described water fender (4) includes rectangle water fender framework (6), it is fixedly installed on irony matrix water fender body (5) on water fender framework (6), described water fender framework (6) includes being arranged on the magnetic stripe of width both sides and arranges groove (601) and support mounting groove (602), is arranged on cross tube (603) and the sheer pole (604) of length direction both sides; Described magnetic stripe arranges the groove (601) notch with support mounting groove (602) towards identical, and the lower end of lower end and water fender body (5) that described magnetic stripe arranges groove (601) and support mounting groove (602) flushes; Described magnetic stripe is arranged in groove (601) from bottom land to notch direction, sequentially being embedded with magnetic stripe (9), sealing rubber strip (10), described sealing rubber strip (10) exposes magnetic stripe and arranges groove (601) notch; Also include water fender support (7), the body of rod being arranged on support mounting groove (602) internal upper part and bottom connects seat (8), described water fender support (7) includes being connected the first strut (701) that seat (8) is rotatably coupled with the body of rod of support mounting groove (602) interior bottom, and the second strut (702) that seat (8) is rotatably coupled it is connected with the body of rod of support mounting groove (602) internal upper part, the free end of described first strut (701) and the second strut (702) is connected by bearing pin;
It is characterized in that, described stagewise roadbed dash construction method includes being divided into multiple dash construction section by building roadbed in advance, collecting gutter and sump is dug in the first dash construction section periphery, before adopting, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section, sump arranges water pump and discharges the hydrops in sump by water pump, carry out the first dash construction section roadbed capital construction operation, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section six steps of dash capital construction operation
Step 1, it is divided into multiple dash construction section by building roadbed in advance: according to the pre-soil property situation building roadbed outer ring with from pre-, the roadbed outer ring displacement size to farther place draining can be built, being divided into multiple dash construction section by building roadbed in advance, the length of each dash construction section controls in 100～300m;
Step 2, dig collecting gutter and sump in the first dash construction section periphery: reserve construction passage in the initial construction side of the first dash construction section width, dash construction section periphery outside construction passage digs collecting gutter (2), the collecting gutter (2) of length direction and collecting gutter (2) intersection of width dig sump (3), and the collecting gutter (2) of length direction and the collecting gutter (2) of width are respectively provided with the gradient converging flowing water in sump (3);
Step 3, before adopting, the mode of water fender overlap joint rear water plate is at the collecting gutter arranged outside water fender of the first dash construction section: digs water fender (4) in collecting gutter (2) outside of the first dash construction section and installs groove, install in groove at water fender (4) and be sequentially arranged multiple water fender (4), the sealing rubber strip (10) of previous water fender (4) is pieced together on the water fender body (5) at support mounting groove (602) place of a rear water fender (4), ring-type water fender split body is formed in collecting gutter (2) outside, to water fender (4), backfilled with earth compacting in groove is installed, each water fender (4) is fixed, first strut (701) of all water fenders (4) and the second strut (702) are produced from support mounting groove (602), and stride across collecting gutter (2), the part free end of the second strut (702) is inserted in the earth of collecting gutter (2) inner side, couple together with the free end of the bearing pin free end by the first strut (701) and the second strut (702),
Step 4, the hydrops that water pump is discharged in sump by water pump is set in sump: water pump is set in sump (3), after the hydrops in sump (3) reaches predetermined volume, start water pump, the hydrops in sump (3) is discharged in the environment that cannot be back to water fender (4) outside;
Step 5, carry out the first dash construction section roadbed capital construction operation: excavate the original earthwork in the first dash construction section, and transported, form the roadbed foundation ditch (1) in the first dash construction section, in roadbed foundation ditch (1), load roadbed build main ingredient compaction in layers; After roadbed capital construction operation completes, remove the water fender (4) of the first periphery, dash construction section road, be backfilling and compacted collecting gutter (2) and the sump (3) of the first periphery, dash construction section road with earth;
Step 6, three sides are adopted to dig collecting gutter and water fender mode is set carries out follow-up dash construction section dash capital construction operation: to dig the collecting gutter (2) of length direction in the length direction both sides of follow-up dash construction section, width opposite side at the construction section completing construction digs the collecting gutter (2) of width, collecting gutter (2) intersection of collecting gutter (2) longitudinally and width digs sump (3), the collecting gutter (2) of length direction and the collecting gutter (2) of width are respectively provided with the gradient converging flowing water in sump (3),Before adopting, the mode of water fender (4) overlap joint rear water plate (4) is at collecting gutter (2) the arranged outside water fender (4) of subsequent construction section; Sump arranges water pump and discharges the hydrops in sump by water pump; Excavate follow-up dash construction section, form the roadbed foundation ditch (1) in follow-up dash construction section, in roadbed foundation ditch (1), load roadbed build main ingredient compaction in layers; This dash construction section roadbed capital construction operation removes the water fender (4) of this periphery, dash construction section road after completing, and is backfilling and compacted collecting gutter (2) and the sump (3) of this dash construction section periphery with earth; Proceed next dash construction section dash capital construction operation, until whole roadbed capital construction completes.
2. employing water fender according to claim 1 carries out stagewise roadbed dash construction method in hypsography low-lying area, it is characterised in that the collecting gutter (2) described in step 2 is arranged on 0.3～0.5 meter of outside the first dash construction section.
3. employing water fender according to claim 1 and 2 carries out stagewise roadbed dash construction method in hypsography low-lying area, it is characterized in that, step 3 also include with the intersection of the collecting gutter (2) of length direction and the collecting gutter (2) of width for starting point, longitudinally in the collecting gutter (2) of collecting gutter (2) and/or width, every 200～30 meters, one sump (3) of formation of digging pit downwards.
4. the employing water fender according to any one claim in claims 1 to 3 carries out stagewise roadbed dash construction method in hypsography low-lying area, it is characterized in that, the water fender (4) described in step 3 is arranged on 0.2～0.4 meter of, collecting gutter (2) outside.
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| CN108086449A (en) * | 2018-01-05 | 2018-05-29 | 中交第二航务工程勘察设计院有限公司 | A kind of contraction baffle device for water for municipal sewage well perforate |
| CN108313749A (en) * | 2018-02-09 | 2018-07-24 | 广西路桥工程集团有限公司 | Improved mixing plant bin system |
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| CN105672334B (en) | 2017-11-24 |
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