CN108643229A - A kind of the multilayer Pipe rack and its construction method of depth piping lane foundation pit - Google Patents
A kind of the multilayer Pipe rack and its construction method of depth piping lane foundation pit Download PDFInfo
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- CN108643229A CN108643229A CN201810512892.1A CN201810512892A CN108643229A CN 108643229 A CN108643229 A CN 108643229A CN 201810512892 A CN201810512892 A CN 201810512892A CN 108643229 A CN108643229 A CN 108643229A
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- piping lane
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of the multilayer Pipe racks and its construction method of deep piping lane foundation pit, belong to underground pipe gallery technical field of construction.The Pipe rack includes piping lane foundation pit, the both sides of the piping lane foundation pit are equipped with two rows of cast-in-situ bored piles, fixation steel plate net on the left side outer wall of in the outer right wall of the cast-in-situ bored pile on the piping lane foundation pit left side and piping lane foundation pit the right cast-in-situ bored pile, gunite concrete forms gunite layer on the expanded metal lath, pour into a mould concrete cushion in piping lane foundation pit bottom surface, laying water-proof coiled material on the concrete cushion, the waterproof roll both sides flip up and are close to gunite layer, it is fixed by rivet and gunite layer at the waterproof roll left and right edges, the waterproof roll is equipped with multilayer piping lane.When the multilayer piping lane structure construction of depth piping lane foundation pit of the present invention, using piping lane foundation pit inner wall gunite layer as piping lane wallboard exterior sheathing, template usage amount is reduced, saves construction cost, simplifies the template building of piping lane, shortens the duration.
Description
Technical field
The invention belongs to the multilayer Pipe rack of underground pipe gallery technical field of construction more particularly to a kind of deep piping lane foundation pit and
Its construction method.
Background technology
Currently, in the construction of deep basal pit piping lane, it is general that the excavation operation of piping lane pit earthwork is carried out using heavy excavation mode, then
Carry out the construction of piping lane；Or by the way of pattern foundation pit supporting structure, piping lane pattern foundation pit supporting structure is first carried out, then carry out earth excavation, then complete
At the binding of piping lane reinforcing bar, inner and outer template fabrication and installation, but under special circumstances, especially urban central zone faces piping lane
The features such as construction surface is narrow, piping lane support space is narrow, can not efficiently accomplish the construction of piping lane.
Invention content
Above-mentioned in order to solve the problems, such as, the present invention proposes the multilayer Pipe rack and its construction party of deep piping lane foundation pit
The supporting construction of piping lane foundation pit and piping lane template construction are effectively combined by method, the construction method, simplify taking for piping lane template
Work is built, construction cost is saved, improves piping lane construction efficiency, shorten the duration.
To achieve the goals above, the present invention uses following scheme：
The purpose of the present invention is to provide a kind of multilayer Pipe rack of deep piping lane foundation pit, including piping lane foundation pit, the pipes
The both sides of corridor foundation pit are equipped with two rows of cast-in-situ bored piles, and steel is fixed in the outer right wall of the cast-in-situ bored pile on the piping lane foundation pit left side
Expanded metals, fixation steel plate net on the left side outer wall of cast-in-situ bored pile on the right of the piping lane foundation pit, gunite concrete on the expanded metal lath
Form gunite layer, the one layer concrete bed course of bottom surface upper of the piping lane foundation pit, be laid on the concrete cushion one layer it is anti-
The both sides of water coiled material, the waterproof roll flip up and are close to gunite layer, pass through riveting at the waterproof roll left and right edges
Nail is fixed with gunite layer, and the waterproof roll is equipped with multilayer piping lane.
Preferably, the two edges of the waterproof roll and ground distance are four meters.
Preferably, distance is equal between the stake of the single cast-in-situ bored pile.
Preferably, the rectangular in cross-section of the piping lane.
Another object of the present invention is to provide the construction methods of the multilayer Pipe rack of above-mentioned deep piping lane foundation pit, including with
Lower step：
Step 1：According to the planning that piping lane is constructed, line setting is carried out to piping lane position on the ground, while determining piping lane
The point of two rows of cast-in-situ bored piles on foundation pit position both sides；
Step 2：Cast-in-situ bored pile is carried out successively according to the point of the cast-in-situ bored pile confirmed in step 1 to construct；
Step 3：After cast-in-situ bored pile reaches design requirement intensity, according to the depth requirements of piping lane foundation pit, by two gang drills
The earthwork between hole pouring pile is dug out；
Step 4：By the glutinous of the left side outer wall attachment of the outer right wall of left side cast-in-situ bored pile and the right cast-in-situ bored pile
Soil is removed, and is moved towards along piping lane, is removed in cast-in-situ bored pile and manually fix one layer of expanded metal lath on clean outer wall, according to piping lane foundation pit
Supporting requirement sprays on expanded metal lath and forms gunite layer, then carries out section construction to piping lane；
Step 5：When first segment is constructed, in the concrete cushion of the bottom pouring piping lane of piping lane foundation pit, in concrete cushion
The upper surface of, it is close to concrete cushion and is laid with one layer of waterproof roll, then waterproof roll the right and left is flipped up, while is close to spray
Pulp layer surface will be fixed at waterproof roll left and right edges by rivet and gunite layer；
Step 6：Then it constructs to the first layer of first segment piping lane, the prefabricated internal model of piping lane is placed on waterproof roll,
The skeleton reinforcing steel bar that the first layer of piping lane is bound in the both sides of the prefabricated internal model of piping lane and top, two before and after the prefabricated internal model of piping lane
Fixed baffle is held, cast concrete forms first segment piping lane in the slot that gunite layer, baffle and the prefabricated internal model of piping lane are constituted
The first layer construction of the wallboard and top plate of first layer, first segment piping lane is completed；
Step 7：It constructs to the second layer of first segment piping lane, pipe is placed on the piping lane top plate of the first layer of piping lane
Then the prefabricated internal model in corridor binds the skeleton reinforcing steel bar of the first layer of piping lane, in piping lane in the both sides of the prefabricated internal model of piping lane and top
The rear and front end fixed baffle of prefabricated internal model pours into a mould concrete in the slot that gunite layer, baffle and the prefabricated internal model of piping lane are constituted
The wallboard and top plate of second layer piping lane are formed, the second layer construction of first segment piping lane is completed；It is sequentially completed each layer pipe from bottom to top
It constructs corridor；
Step 8：It is moved towards along piping lane, is sequentially completed each section of piping lane construction.
Preferably, the two edges of the waterproof roll and ground distance are four meters.
Preferably, distance is equal between the stake of the single cast-in-situ bored pile.
The advantage of the invention is that：Due to narrow, the multilayer piping lane knot of depth piping lane foundation pit of the present invention of piping lane foundation pit
When structure is constructed, using the gunite layer on piping lane foundation pit both sides as the exterior sheathing of piping lane wallboard, to reduce the usage amount of template, section
Construction cost is saved；Due to using gunite layer as the exterior sheathing of piping lane wallboard, simplifying the template building of piping lane, accelerate
Construction progress, shortens the duration.
Description of the drawings
Fig. 1 is the multilayer piping lane structural schematic diagram of deep piping lane foundation pit of the present invention.
Fig. 2 is the piping lane first layer construction schematic diagram of the multilayer Pipe rack of deep piping lane foundation pit of the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can be more clear
The understanding of Chu, as shown in Figure 1, the multilayer Pipe rack of depth piping lane foundation pit of the present invention, including piping lane foundation pit 1, the piping lane
The both sides of foundation pit 1 are equipped with two rows of cast-in-situ bored piles 2, are fixed in the outer right wall of the cast-in-situ bored pile 2 on 1 left side of piping lane foundation pit
Expanded metal lath, fixation steel plate net on the left side outer wall of 1 the right cast-in-situ bored pile 2 of the piping lane foundation pit, injection is mixed on the expanded metal lath
Solidifying soil forms gunite layer 3, the one layer concrete bed course 4 of bottom surface upper of the piping lane foundation pit 1,4 upper berth of the concrete cushion
If one layer of waterproof roll 5, the both sides of the waterproof roll 5 flip up and are close to gunite layer 3, the waterproof roll 5 or so two
Edge is fixed by rivet and gunite layer 3, and the waterproof roll 5 is equipped with multilayer piping lane 6.
The two edges of the waterproof roll 5 are four meters with ground distance.Distance phase between the stake of the single cast-in-situ bored pile 2
Deng.The rectangular in cross-section of the piping lane 6.
As depicted in figs. 1 and 2, the construction method of the multilayer Pipe rack of above-mentioned deep piping lane foundation pit, includes the following steps：
Step 1：According to the planning that piping lane is constructed, line setting is carried out to piping lane position on the ground, while determining piping lane
The point of two rows of cast-in-situ bored piles 2 on 1 position both sides of foundation pit；
Step 2：Cast-in-situ bored pile 2 is carried out successively according to the point of the cast-in-situ bored pile 2 confirmed in step 1 to be applied
Work；
Step 3：It, will be two rows of according to the depth requirements of piping lane foundation pit 1 after cast-in-situ bored pile 2 reaches design requirement intensity
The earthwork between cast-in-situ bored pile 2 is dug out；
Step 4：By the left side outer wall attachment of the outer right wall of left side cast-in-situ bored pile 2 and the right cast-in-situ bored pile 2
Clay is removed, and is moved towards along piping lane, is removed in cast-in-situ bored pile 2 and manually fix one layer of expanded metal lath on clean outer wall, according to piping lane
1 supporting of foundation pit requirement sprays on expanded metal lath and forms gunite layer 3, then carries out section construction to piping lane 6；
Step 5：When first segment is constructed, in the concrete cushion 4 of the bottom pouring piping lane of piping lane foundation pit 1, in concrete mats
The upper surface of layer 4 is close to concrete cushion 4 and is laid with one layer of waterproof roll 5, then 5 the right and left of waterproof roll is flipped up, together
When be close to 3 surface of gunite layer, will be fixed by rivet and gunite layer 3 at 5 left and right edges of waterproof roll；
Step 6：Then it constructs to the first layer of first segment piping lane 6, it is prefabricated interior that piping lane is placed on waterproof roll 5
Mould 7 binds the skeleton reinforcing steel bar of the first layer of piping lane 6 in the both sides of the prefabricated internal model of piping lane 7 and top, in the prefabricated internal model of piping lane 7
Rear and front end fixed baffle 8, cast concrete is formed in the slot that gunite layer 3, baffle 8 and the prefabricated internal model 7 of piping lane are constituted
The first layer construction of the wallboard and top plate of the first layer of first segment piping lane 6, first segment piping lane 6 is completed；
Step 7：It constructs to the second layer of first segment piping lane 6, piping lane is placed on the top plate of the first layer of piping lane 6
Then prefabricated internal model 7 binds the skeleton reinforcing steel bar of the first layer of piping lane 6, in piping lane in the both sides of the prefabricated internal model of piping lane 7 and top
The rear and front end fixed baffle 8 of prefabricated internal model 7, cast is mixed in the slot that gunite layer 3, baffle 8 and the prefabricated internal model 7 of piping lane are constituted
Solidifying soil forms the wallboard and top plate of second layer piping lane, and the second layer construction of first segment piping lane 6 is completed；It is sequentially completed from bottom to top each
Layer piping lane construction；
Step 8：It is moved towards along piping lane, is sequentially completed each section of piping lane 6 and constructs.
The two edges of the waterproof roll 5 are four meters with ground distance.Distance phase between the stake of the single cast-in-situ bored pile 2
Deng.
It is deep that the multilayer Pipe rack and its construction method of depth piping lane foundation pit of the present invention are applied to Yinchuan pipe gallery
In the construction of foundation pit piping lane, the depth of the piping lane foundation pit is 10 meters, 6 meters of piping lane clear height, 8 meters of piping lane width, and piping lane is 2 layers, is bored
Hole pouring pile diameter 600mm, whitewash layer thickness 60mm, piping lane wallboard thickness 400mm；The GPS-20 that the cast-in-situ bored pile uses
Type drilling machine is constructed.Since piping lane is constructed using the present invention at this, construction cost is reduced, while the construction period greatly shortens.
Claims (7)
1. a kind of multilayer Pipe rack of depth piping lane foundation pit, including piping lane foundation pit (1), it is characterised in that：The piping lane foundation pit (1)
Both sides be equipped with two rows of cast-in-situ bored piles (2), it is solid in the outer right wall of the cast-in-situ bored pile (2) on piping lane foundation pit (1) left side
Determine expanded metal lath, fixation steel plate net on the left side outer wall of cast-in-situ bored pile (2) on the right of the piping lane foundation pit (1), on the expanded metal lath
Gunite concrete forms gunite layer (3), the one layer concrete bed course (4) of bottom surface upper of the piping lane foundation pit (1), the coagulation
One layer of waterproof roll (5) is laid on soil padding (4), the both sides of the waterproof roll (5) flip up and are close to gunite layer (3),
Fixed by rivet and gunite layer (3) at waterproof roll (5) left and right edges, the waterproof roll (5) is equipped with multilayer
Piping lane (6).
2. the multilayer Pipe rack of deep piping lane foundation pit according to claim 1, it is characterised in that：The waterproof roll (5)
Two edges are four meters with ground distance.
3. the multilayer Pipe rack of deep piping lane foundation pit according to claim 1, it is characterised in that：The single cast-in-situ bored pile
(2) distance is equal between stake.
4. the multilayer Pipe rack of deep piping lane foundation pit according to claim 1, it is characterised in that：The section of the piping lane (6)
It is rectangular.
5. a kind of construction method of the multilayer Pipe rack of piping lane foundation pit deep as described in Claims 1 to 4, which is characterized in that packet
Include following steps：
Step 1：According to the planning that piping lane is constructed, line setting is carried out to piping lane position on the ground, while determining piping lane foundation pit
(1) point of two rows of cast-in-situ bored piles (2) on position both sides；
Step 2：Cast-in-situ bored pile (2) is carried out successively according to the point of the cast-in-situ bored pile (2) confirmed in step 1 to be applied
Work；
Step 3：It, will be two rows of according to the depth requirements of piping lane foundation pit (1) after cast-in-situ bored pile (2) reaches design requirement intensity
The earthwork between cast-in-situ bored pile (2) is dug out；
Step 4：By the left side outer wall attachment of the outer right wall of left side cast-in-situ bored pile (2) and the right cast-in-situ bored pile (2)
Clay is removed, and is moved towards along piping lane, is removed in cast-in-situ bored pile (2) and is manually fixed one layer of expanded metal lath on clean outer wall, according to pipe
Corridor foundation pit (1) supporting requirement sprays on expanded metal lath and forms gunite layer (3), then carries out section construction to piping lane (6)；
Step 5：When first segment is constructed, in the concrete cushion (4) of the bottom pouring piping lane of piping lane foundation pit (1), in concrete mats
The upper surface of layer (4) is close to concrete cushion (4) and is laid with one layer of waterproof roll (5), then waterproof roll (5) the right and left is upward
Fold, while being close to gunite layer (3) surface, it will be fixed by rivet and gunite layer (3) at waterproof roll (5) left and right edges；
Step 6：Then it constructs to the first layer of first segment piping lane (6), it is prefabricated interior that piping lane is placed on waterproof roll (5)
Mould (7), it is prefabricated in piping lane in the both sides of the prefabricated internal model of piping lane (7) and the skeleton reinforcing steel bar of the first layer of top binding piping lane (6)
The rear and front end fixed baffle (8) of internal model (7), in the slot that gunite layer (3), baffle (8) and the prefabricated internal model of piping lane (7) are constituted
Wallboard and top plate that concrete forms the first layer of first segment piping lane (6) are poured into a mould, the first layer of first segment piping lane (6) has been constructed
At；
Step 7：It constructs to the second layer of first segment piping lane (6), is placed on the piping lane top plate of the first layer of piping lane (6)
The prefabricated internal model of piping lane (7), then in the both sides of the prefabricated internal model of piping lane (7) and the skeleton of the first layer of top binding piping lane (6)
Reinforcing bar, it is prefabricated interior in gunite layer (3), baffle (8) and piping lane in the rear and front end fixed baffle (8) of the prefabricated internal model of piping lane (7)
Cast concrete forms the wallboard and top plate of second layer piping lane, the second layer construction of first segment piping lane (6) in the slot that mould (7) is constituted
It completes；It is sequentially completed each layer piping lane construction from bottom to top；
Step 8：It is moved towards along piping lane, is sequentially completed each section of piping lane (6) construction.
6. the construction method of the multilayer Pipe rack of deep piping lane foundation pit according to claim 5, it is characterised in that：The waterproof
The two edges of coiled material (5) are four meters with ground distance.
7. the construction method of the multilayer Pipe rack of deep piping lane foundation pit according to claim 5, it is characterised in that：It is described single
Distance is equal between the stake of cast-in-situ bored pile (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512892.1A CN108643229A (en) | 2018-05-25 | 2018-05-25 | A kind of the multilayer Pipe rack and its construction method of depth piping lane foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512892.1A CN108643229A (en) | 2018-05-25 | 2018-05-25 | A kind of the multilayer Pipe rack and its construction method of depth piping lane foundation pit |
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| Publication Number | Publication Date |
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| CN108643229A true CN108643229A (en) | 2018-10-12 |
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|---|---|---|---|
| CN201810512892.1A Pending CN108643229A (en) | 2018-05-25 | 2018-05-25 | A kind of the multilayer Pipe rack and its construction method of depth piping lane foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440817A (en) * | 2018-12-17 | 2019-03-08 | 中国十九冶集团有限公司 | Piping lane construction method |
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