CN109811612A - Coombe processing is faced forever in conjunction with sidewalk structure and its construction method - Google Patents
Coombe processing is faced forever in conjunction with sidewalk structure and its construction method Download PDFInfo
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- CN109811612A CN109811612A CN201910172060.4A CN201910172060A CN109811612A CN 109811612 A CN109811612 A CN 109811612A CN 201910172060 A CN201910172060 A CN 201910172060A CN 109811612 A CN109811612 A CN 109811612A
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Abstract
The present invention relates to Construction of Civil Engineering fields, a kind of processing of coombe is disclosed to face forever in conjunction with sidewalk structure, ditch head including coombe and the selection of site for bridge positioned at ditch head downstream, ditch head edge is equipped with builder's road towards the direction of selection of site for bridge, the lowest level of builder's road is drainage blanket made of being filled as rubble, it is equipped with above drainage blanket made of being filled by the earthwork and fills layer, filled the middle part at the top of layer and be equipped with the U-type groove parallel with builder's road, the top for filling layer is equipped with surface layer.The invention also discloses a kind of processing of coombe to face the construction method in conjunction with sidewalk structure forever.Coombe processing of the present invention is faced forever in conjunction with sidewalk structure and its construction method, project cost, security risk and environmental pollution is effectively reduced, and improve construction efficiency.
Description
Technical field
The present invention relates to Construction of Civil Engineering fields, and in particular to a kind of processing of coombe is faced forever in conjunction with sidewalk structure and its applied
Work method.
Background technique
Coombe is the groove formed by interruption flowing water in surface erosion, is one kind largest in erosion groove, and length can
Up to thousands of rice or tens of kms, depth is up to several meters or tens of rice, sometimes up to hundred meters or more.China loess ridge loess hills gullied area
Branch is extensive, its main feature is that hills are undulating, ravines and guillies criss-cross, beam loess hills is alternate, and " V " type ditch development, project is mostly built bridge with coombe,
Beam loess hills various shapes of deep cut occurs.
To meet the current demand of coulee area bridge construction, conventional sidewalk construction is taken first apart from the tens of rice of bridge site
Coombe position bury drainpipe in bottom of trench or draining is contained, then carry out plain soil and fill across coombe, and in the sidewalk and bridge site
Between fill branch sidewalk and meet bottom of trench construction associated mechanical, the passage demand of equipment and personnel.On the one hand this method blocks channel,
Flood control draining is influenced, former coombe is separated into two parts after the completion of filling, is easy from top ditch head to sidewalk because of draining
Barrier lake is formed not in time, destroys original ecology, is unfavorable for water and is protected, is environmentally friendly, there is great security risk and influence bridge
Bottom of trench construction operation, especially loess fill sidewalk and are impregnated by rainwater, are easy to appear blocking disintegration problem, increase sidewalk reparation
Work has seriously threatened current across coombe.At the same time, considered based on flood discharge, environmental protection etc., after sidewalk use
Sidewalk filling loess must be purged, be influenced by topographical elevation difference is big, it is very big to remove difficulty, causes two to ecosystem water and soil
Secondary destruction.
Summary of the invention
The purpose of the present invention is to the deficiency of above-mentioned technology, provide a kind of coombe processing face forever in conjunction with sidewalk structure and
Its construction method is effectively reduced project cost, security risk and environmental pollution, and improves construction efficiency.
To achieve the above object, the coombe processing designed by the present invention is faced forever in conjunction with sidewalk structure, including is located on coombe
The ditch head of selection of site for bridge upstream, the interior edge from the position of the ditch head of the coombe are equipped with towards the direction of the selection of site for bridge
Builder's road, the lowest level of the builder's road are drainage blanket made of being filled as rubble, are equipped with above the drainage blanket
Layer is filled made of filling by the earthwork, the middle part filled at the top of layer is equipped with U-shaped along the length direction of the builder's road
Slot, the top for filling layer are equipped with surface layer, wherein rubble has Penetration Signature, keeps entire sidewalk structure foundation bearing capacity full
Foot requires, prevent coombe bottom infiltration influence described in fill a layer quality, avoid sidewalk structural base from the hidden danger such as occurring emptying,
Earthworks requirements equipment back-filling in layers compacting, guarantees its compactness, and to increase the stability banketed, the U-type groove is logical for vehicle
Row and draining flood discharge, in subsequent bridge construction process, vehicle, walk will further improve the compactness banketed, the face
Layer meets the current demand of bridge construction, guides water flow, prevents from filling layer described in the water erosion of surface layer, be especially able to satisfy bridge and apply
Flood discharge requirement under inclement weather conditions during work and operation, guarantees to face the flood carrying capacity and durability in conjunction with sidewalk structure forever
It meets the requirements, the layer that fills is reserved the U-type groove as gutter by the surface layer, and the water flow of the coombe bottom of trench is converged
Collection is arranged water downstream by the gutter to the gutter, while as the transit passage during bridge construction.
Preferably, the drainage blanket is located at layer downstream end of filling equipped with retaining wall, enhances the stability of side slope,
And then guarantee to face forever in conjunction with sidewalk whole structural stability, the downstream that the drainage blanket is located at the retaining wall is equipped with baffle wall style,
Torrent is become flowing slowly, reduces water flow to the impact force in downstream.
Preferably, the drainage blanket and described fill are equipped with waterproof layer between layer, prevent from described filling layer by coombe bottom
Portion's infiltration influences, and described fill be equipped with waterproof layer between layer and the surface layer, prevents from described filling layer by surface water currents.
Preferably, the surface layer includes the side positioned at the bottom surface layer of the U-type groove bottom and positioned at the U-type groove two sides
Portion's surface layer, the bottom surface layer making grittiness described in Bridge construction, the side surface layer are equipped with grass planting protection or mortar flag stone
It protects, the bottom surface layer is backfilled with planting soil and is equipped with grass planting and protects after bridge construction, reduces water flow to described U-shaped
Trench bottom washes away.
Preferably, the length of the builder's road is greater than the distance between the ditch head and the selection of site for bridge.
Preferably, the upstream of the U-type groove is higher than downstream, and the surface layer is higher than the U-type groove along the two sides of the coombe
Upper plane.
Preferably, the minimum filling-up thickness of the drainage blanket is greater than coombe bottom infiltration harmony product height 0.5m, described
The coombe depth that the height for filling layer builds position with the builder's road matches, and the layer that fills is located at the end in downstream certainly
Step brush slope is divided to protect on down equipped with mortar flag stone.
The construction method in conjunction with sidewalk structure is faced in a kind of processing of coombe forever, is included the following steps:
A) site inspection: coombe upstream ditch depth is smaller and existing traffic is easily accessible ditch head position is chosen as filling out
It erects a little, and measures the horizontal distance for filling starting point Yu the selection of site for bridge, along the line ditch depth；
B) determine filling parameter: according to the step A) measurement data determine the depth of fill, fill longitudinal slope；
C it) builds interim branch sidewalk: building an interim branch sidewalk from existing road and fill starting point to described, meet sidewalk
The current demand of filling construction, bridge construction associated mechanical and equipment；
D) drainage blanket and fill layer main body part carry out placement in layers: filled out first with equipment from the coombe ditch bottom slice
It builds rubble and forms the drainage blanket to the coombe bottom infiltration harmony product position height 0.5m is exceeded, every layer of loose laying depth is not more than
Then roadbed digging soil back-filling in layers is tamped and fills layer described in being formed by 0.5m, guarantee compactness, increase the stability banketed,
It is described that U-type groove is reserved in the middle part of layer in described fill when filling layer construction close to top, it is described fill layer and be located at the end in downstream apply
Working hour divides step brush slope from bottom to top；
E) end construction of prevention work: when it is described fill layer and fill to end when, utilize hand fit's equipment to carry out the earth-retaining
The construction of wall and baffle wall style, wherein the retaining wall and baffle wall style apply on the drainage blanket top；
F) residue fills layer construction: after the completion of the construction of prevention work of end, completing the construction that layer end is filled described in residue, institute
It states retaining wall back and fills and meet roadbed back filling behind abutment construction requirement, while the retaining wall above section divides step brush from bottom to top
Slope is to guarantee end stability；
G) surface construction: carrying out protective treatment to the reserved U-type groove of layer of filling, by the U-type groove two sides into
The protection of row grass planting or mortar flag stone protection, one layer of gravel of U-type groove bottom making, and to the U-type groove after construction
Simultaneously grass planting protection is arranged in bottom and surface layer backfill planting soil, while guiding water to flow to the U-type groove surface layer setting gradient；
Layer end of filling is located at the retaining wall above section side slope using grass planting protection or mortar flag stone protection；
H) after the completion of builder's road, into bridge construction step.
Preferably, the step D) in, total length will be filled and be divided into several sections, the drainage blanket construction of next section
The described of a section can be carried out by, which finishing, fills layer construction, forms parallel construction, increases construction efficiency.
Preferably, each section is formed in construction period meets current desired step.
Compared with prior art, the present invention having the advantage that
1, it safety: avoids and forms barrier lake because draining not in time existing for conventional method and endanger sidewalk entity quality
And the security risk of the big height difference operation of later period sidewalk reset procedure, especially by coombe depth is reduced, to be effectively reduced
Coombe area science of bridge building and coombe downstream area and can reduce bridge pier in the design phase by the risk of the disasters such as mud-rock flow
Height is to reduce high altitude operation construction risk；
2, reliable: to meet the danger sources such as water-soaked structure destructible for the soil body is filled, structural base and surface are all made of anti-
Water design, and protected by end and guarantee overall stability；
3, economical: to have saved the expense that sidewalk fills soil body removing；
4, conveniently: construction equipment is conventional subgrade construction equipment, and filling the layer earthwork can directly be filled with roadbed digging soil,
Effective guarantee equipment for bridge construction smooth current and facilitate the upkeep operation during operation；
5, ecological: to avoid and secondary destruction is caused to ecosystem water and soil, subgrade construction spoir is re-used, ditch is filled out and makes
Ground, green, energy-saving and environmental protection；
6, the present invention it is easy for construction, security risk elimination, cost savings, ecological protection and in terms of advantage
Obviously.
Detailed description of the invention
Fig. 1 is that coombe of the present invention handles and faces suitable ditch in conjunction with sidewalk structure forever to sectional schematic diagram；
Fig. 2 is that coombe of the present invention handles and faces traverse furrow in conjunction with sidewalk structure forever to sectional schematic diagram.
Each part numbers are as follows in figure:
Coombe 1, builder's road 3, drainage blanket 4, fills layer 5, U-type groove 6, surface layer 7, retaining wall 8, baffle wall style 9, slurry at ditch head 2
Build slabstone 10, planting soil 11.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 and 2, a kind of processing of coombe of the present invention is faced forever in conjunction with being located at bridge in sidewalk structure, including coombe 1
The ditch head 2 of addressing upstream, the interior edge from the position of ditch head 2 of coombe 1 are equipped with builder's road 3 towards the direction of selection of site for bridge, apply
The lowest level of work sidewalk 3 is drainage blanket 4 made of being filled as rubble, and the top of drainage blanket 4 is equipped with is filled by the earthwork
Fill layer 5, the middle part for filling the top of layer 5 is equipped with U-type groove 6 along the length direction of builder's road 3, and the top for filling layer 5 is equipped with
Surface layer 7, surface layer 7 includes the side surface layer positioned at the bottom surface layer of 6 bottom of U-type groove and positioned at 6 two sides of U-type groove, in bridge construction
Phase bottom surface layer making grittiness, side surface layer is equipped with grass planting protection or mortar flag stone 10 protects, bottom after bridge construction
Surface layer is backfilled with planting soil 11 and is equipped with grass planting and protects.
In addition, drainage blanket 4, which is located at, fills 5 downstream end of layer equipped with retaining wall 8, the stability of side slope, Jin Erbao are enhanced
Card faces forever in conjunction with sidewalk whole structural stability, and the downstream that drainage blanket 4 is located at retaining wall 8 is equipped with baffle wall style 9, and torrent is become slow
Stream reduces water flow to the impact force in downstream.
Meanwhile drainage blanket 4 and filling and be equipped with waterproof layer between layer 5, preventing from filling layer 5 is influenced by the infiltration of coombe bottom,
It fills and is equipped with waterproof layer between layer 5 and surface layer 7, prevent from filling layer 5 by surface water currents.
In the present embodiment, the upstream of U-type groove 6 is higher than downstream, and surface layer 7 is higher than the upper plane of U-type groove 6 along the two sides of coombe 1,
The minimum filling-up thickness of drainage blanket 4 is greater than 1 bottom of coombe infiltration harmony product height 0.5m, and the height and builder's road 3 for filling layer 5 are repaired
1 depth of coombe for building position matches, fill layer 5 be located at downstream end divide from bottom to top step brush slope be equipped with mortar flag stone 10
Protection.
In the present embodiment, the length of builder's road 3 is greater than the distance between ditch head 2 and selection of site for bridge, makes builder's road 3
Length exceeds the selection of site for bridge.
The construction method in conjunction with sidewalk structure is faced in a kind of processing of coombe forever, is included the following steps:
A) site inspection: 1 upstream ditch depth of coombe is smaller and existing traffic is easily accessible 2 position of ditch head is chosen as filling
Starting point, and measure the horizontal distance for filling starting point and selection of site for bridge, along the line ditch depth；
B it) determines filling parameter: the depth of fill being determined according to the measurement data of step A, fills longitudinal slope；
C it) builds interim branch sidewalk: building an interim branch sidewalk to starting point is filled from existing road, meet sidewalk and fill
The current demand of construction, bridge construction associated mechanical and equipment；
D) drainage blanket 4 and fill 5 main part of layer carry out placement in layers: first with bull-dozer, road roller, dumper etc.
Equipment forms drainage blanket 4 from 1 bottom of trench placement in layers rubble of coombe to 1 bottom of the coombe infiltration harmony product position height 0.5m is exceeded, often
Layer loose laying depth is not more than 0.5m, then tamps to be formed roadbed digging soil back-filling in layers and fills layer 5, guarantees compactness, and increase is filled out
The stability of soil reserves U-type groove 6 filling, fills layer 5 and be located at downstream when filling the construction of layer 5 close to top in the middle part of layer 5
When end is constructed, divide step brush slope from bottom to top；
E) end construction of prevention work: when filling wait fill layer 5 to end, the equipment such as hand fit's chute, crane is utilized to carry out
The construction of retaining wall 8 and baffle wall style 9, wherein retaining wall 8 and baffle wall style 9 apply on 4 top of drainage blanket；
F) residue fills the construction of layer 5: after the completion of the construction of prevention work of end, completing the construction that residue fills 5 end of layer, earth-retaining
The back of wall 8, which fills, meets roadbed back filling behind abutment construction requirement, while 8 above section of retaining wall divides step brush slope from bottom to top；
G) surface layer 7 is constructed: carrying out protective treatment to the reserved U-type groove 6 of layer 5 is filled, 6 two sides of U-type groove progress grass planting is prevented
Shield or mortar flag stone 10 protect, U-type groove 6 bottom making, one layer of gravel, and return after construction to 6 bottom of U-type groove and surface layer 7
It fills out planting soil 11 and grass planting protection is set, while the gradient is arranged in surface layer 7, water is guided to flow to U-type groove 6；5 end of layer is filled to be located at
8 above section side slope of retaining wall is protected using grass planting or mortar flag stone 10 protects；
H) after the completion of builder's road 3, into bridge construction step.
Wherein, in step D), total length will be filled and be divided into several sections, the construction of drainage blanket 4 of next section finishes i.e.
Can carry out a section fills the construction of layer 5, and each section is formed in construction period meets current desired step, and formation is applied in parallel
Work increases construction efficiency.
Coombe processing of the present invention is faced forever has been applied successfully to silver-colored hundred highways in conjunction with sidewalk structure and its construction method
The construction of horse mill ditch bridge sidewalk, construction efficiency obtain significant increase, and economic benefit is obvious, meets green construction theory.
Coombe of the present invention processing is faced easy for construction in conjunction with sidewalk structure and its construction method forever, eliminate in security risk, at
This saving, ecological protection and construction efficiency etc. are with the obvious advantage, and it is existing because draining not in time due to shape to avoid conventional method
At barrier lake and the security risk of sidewalk entity quality and the big height difference operation of later period sidewalk reset procedure is endangered, especially by
Coombe depth is reduced, to effectively reduce coombe area science of bridge building and coombe downstream area by the wind of the disasters such as mud-rock flow
Danger, and bridge pier height can be reduced to reduce high altitude operation construction risk in the design phase；Water-soaked knot is met for the soil body is filled
The danger sources such as structure destructible, structural base and surface are all made of waterproofing design, and are protected by end and guarantee overall stability；Section
The about sidewalk expense of filling soil body removing；Construction equipment is conventional subgrade construction equipment, and roadbed can directly be used by filling the layer earthwork
Digging soil is filled, and effective guarantee equipment for bridge construction smooth current and facilitates the upkeep operation during operation；It avoids
Secondary destruction is caused to ecosystem water and soil, subgrade construction spoir is re-used, ditch is filled out and makes ground, green, energy-saving and environmental protection.
Claims (10)
1. a kind of coombe processing is faced forever in conjunction with sidewalk structure, the ditch head (2) including being located at selection of site for bridge upstream on coombe (1),
Be characterized in that: the interior edge from the position of the ditch head (2) of the coombe (1) is equipped with construction towards the direction of the selection of site for bridge
Sidewalk (3), the lowest level of the builder's road (3) are drainage blanket (4) made of being filled as rubble, the drainage blanket (4) it is upper
It is just equipped with made of being filled by the earthwork and fills layer (5), the middle part filled at the top of layer (5) is along the builder's road (3)
Length direction be equipped with U-type groove (6), the top for filling layer (5) be equipped with surface layer (7).
2. coombe processing according to claim 1 is faced forever in conjunction with sidewalk structure, it is characterised in that: the drainage blanket (4) is located at
Equipped with retaining wall (8), the downstream that the drainage blanket (4) is located at the retaining wall (8), which is equipped with, to disappear for layer (5) the downstream end of filling
Power bank (9).
3. coombe according to claim 1 or claim 2 processing is faced forever in conjunction with sidewalk structure, it is characterised in that: the drainage blanket (4) and
Described fill is equipped with waterproof layer between layer (5), described fill is equipped with waterproof layer between layer (5) and the surface layer (7).
4. coombe processing according to claim 3 is faced forever in conjunction with sidewalk structure, it is characterised in that: the surface layer (7) includes position
Bottom surface layer in the U-type groove (6) bottom and the side surface layer positioned at the U-type groove (6) two sides, described in Bridge construction
Bottom surface layer making grittiness, the side surface layer is equipped with grass planting protection or mortar flag stone (10) protects, after bridge construction
The bottom surface layer is backfilled with planting soil (11) and is equipped with grass planting and protects.
5. coombe processing according to claim 4 is faced forever in conjunction with sidewalk structure, it is characterised in that: the builder's road (3)
Length is greater than the distance between the ditch head (2) and described selection of site for bridge.
6. coombe processing according to claim 5 is faced forever in conjunction with sidewalk structure, it is characterised in that: the upstream of the U-type groove (6)
Higher than downstream, the surface layer (7) is higher than the upper plane of the U-type groove (6) along the two sides of the coombe (1).
7. coombe processing according to claim 6 is faced forever in conjunction with sidewalk structure, it is characterised in that: the drainage blanket (4) is most
Small filling-up thickness is greater than the coombe (1) bottom infiltration harmony product height 0.5m, and the height for filling layer (5) and the construction are just
Coombe (1) depth that position is built in road (3) matches, it is described fill layer (5) and be located at the end in downstream divide step brush from bottom to top
Slope is protected equipped with mortar flag stone (10).
8. the construction method in conjunction with sidewalk structure is faced in a kind of coombe processing of any one of claim 1~7 forever, feature exists
In: include the following steps:
A) site inspection: ditch head (2) position conduct that the coombe (1) upstream ditch depth is smaller and existing traffic is easily accessible is chosen
Starting point is filled, and measures the horizontal distance for filling starting point Yu the selection of site for bridge, along the line ditch depth；
B) determine filling parameter: according to the step A) measurement data determine the depth of fill, fill longitudinal slope；
C it) builds interim branch sidewalk: building an interim branch sidewalk from existing road and fill starting point to described, meet sidewalk and fill
The current demand of construction, bridge construction associated mechanical and equipment；
D it) drainage blanket (4) and fills layer (5) main part and carries out placement in layers: first with equipment from the coombe (1) bottom of trench
Placement in layers rubble forms the drainage blanket (4), every layer of pine to the coombe (1) the bottom infiltration harmony product position height 0.5m is exceeded
It spreads thickness and is not more than 0.5m, then roadbed digging soil back-filling in layers is tamped and is filled layer (5) described in being formed, guarantee compactness, increase
The stability banketed, it is described fill layer (5) construction close to top when, reserve U-type groove (6) in the middle part of layer (5) in described fill, institute
State fill layer (5) be located at downstream end construction when, divide step brush slope from bottom to top；
E) end construction of prevention work: when it is described fill layer (5) and fill to end when, utilize hand fit's equipment to carry out the retaining wall
(8) with the construction of baffle wall style (9), wherein the retaining wall (8) and baffle wall style (9) apply on the drainage blanket (4) top；
F) residue fills layer (5) construction: after the completion of the construction of prevention work of end, the construction that layer (5) end is filled described in residue is completed,
Retaining wall (8) back, which fills, meets roadbed back filling behind abutment construction requirement, while the retaining wall (8) above section is from bottom to top
Divide step brush slope；
G) surface layer (7) is constructed: protective treatment is carried out to described layer (5) reserved described U-type groove (6) of filling, by the U-type groove
(6) two sides carry out grass planting protection or mortar flag stone (10) protection, described U-type groove (6) bottom one layer of gravel of making, and are constructing
To the U-type groove (6) bottom and surface layer (7) backfill planting soil (11) and grass planting protection is set after finishing, while by the surface layer (7)
The setting gradient guides water to flow to the U-type groove (6)；Layer (5) end of filling is located at the retaining wall (8) above section side slope
Using grass planting protection or mortar flag stone (10) protection；
H) after the completion of builder's road (3), into bridge construction step.
9. the construction method in conjunction with sidewalk structure is faced in coombe processing according to claim 8 forever, it is characterised in that: the step
D in), total length will be filled and be divided into several sections, the drainage blanket (4) construction of next section, which finishes, can carry out a section
Described fill layer (5) construction.
10. the construction method in conjunction with sidewalk structure is faced in coombe processing according to claim 9 forever, it is characterised in that: each section
It is formed in construction period and meets current desired step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172060.4A CN109811612A (en) | 2019-03-07 | 2019-03-07 | Coombe processing is faced forever in conjunction with sidewalk structure and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172060.4A CN109811612A (en) | 2019-03-07 | 2019-03-07 | Coombe processing is faced forever in conjunction with sidewalk structure and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113944107A (en) * | 2021-10-28 | 2022-01-18 | 中铁二十局集团有限公司 | Land short pier bridge roadbed filling type bridge-climbing channel and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944107A (en) * | 2021-10-28 | 2022-01-18 | 中铁二十局集团有限公司 | Land short pier bridge roadbed filling type bridge-climbing channel and construction method thereof |
| CN113944107B (en) * | 2021-10-28 | 2023-10-03 | 中铁二十局集团有限公司 | Land short pier bridge roadbed filling type bridge loading channel and construction method thereof |
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