CN100543239C - The method of three usages of one pile in a kind of underground construction - Google Patents

The method of three usages of one pile in a kind of underground construction Download PDF

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Publication number
CN100543239C
CN100543239C CNB200710070979XA CN200710070979A CN100543239C CN 100543239 C CN100543239 C CN 100543239C CN B200710070979X A CNB200710070979X A CN B200710070979XA CN 200710070979 A CN200710070979 A CN 200710070979A CN 100543239 C CN100543239 C CN 100543239C
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China
Prior art keywords
construction
fender post
basement
pile
underground
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CNB200710070979XA
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Chinese (zh)
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CN101117800A (en
Inventor
严平
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浙江大学
杭州南方土木工程咨询有限公司
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Publication of CN101117800A publication Critical patent/CN101117800A/en
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Publication of CN100543239C publication Critical patent/CN100543239C/en

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Abstract

The present invention relates to the method for three usages of one pile in a kind of underground construction, its essence is in a kind of underground construction the technology that interim space enclosing structure and permanent structure are share, to go along with sb. to guard him temporarily and not do to scrap after piling wall plays the effect of going along with sb. to guard him in the underground engineering construction stage, but after underground engineering construction is finished, play peripheral permanent works stake effect (pressure-bearing or anti-floating) again; Again as the exterior wall ingredient of underground construction, bear horizontal lateral pressure of operational phase and people's air defense pressure jointly simultaneously, so play " three usages of one pile " effect.The effect that the present invention is useful is: what make 1) that tradition need scrap goes along with sb. to guard him engineering piles double as periphery engineering piles and outer wall of basement ingredient temporarily, plays permanent action, saves construction investment significantly.2) have advantages such as construction is simple, construction machinery is simple, cost is low, and applicability is strong.3) fender post is close to the underground construction external wall construction, has been solved the restriction of in the old town because place, the difficult problem when fender post can't be implemented.

Description

The method of three usages of one pile in a kind of underground construction
Technical field
The present invention relates to a kind of job practices of underground construction, the method for three usages of one pile in especially a kind of underground construction.
Background technology
The underground construction bracing of foundation pit is the project that a difficulty is big, investment is high, belongs to interim supplementary structure, just scraps after underground engineering construction is finished.In this external city underground engineering, often owing to the restriction of peripheral place, can't be apart from underground construction exterior wall certain distance construction fender post.The interim diaphragm wall of will go along with sb. to guard him usefulness is also arranged again as the permanent exterior wall of underground construction at present in large-scale underground construction, call its " unification of two walls " technology, but its construction is complicated, cost is very high.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, makes the interim fender post in the underground engineering construction play " three usages of one pile ": the first is as fender post; It two is as underground construction periphery engineering piles pressure-bearing or anti-floating; It three is as the stressed ingredient of underground construction external wall structure, bears the lateral pressure of operational phase jointly.
The technical scheme main points that the present invention solves its technical problem employing are as follows: the method for three usages of one pile in this underground construction, this method comprises the steps:
1), for the engineering of going along with sb. to guard him of mono-layer propping, fender post is close to the underground construction exterior wall distributes, and design by the requirement of " three usages of one pile ": the first is gone along with sb. to guard him excavation stage pile body should satisfy the fender post requirement, bears the water and soil lateral pressure; Its two be underground construction operational phase selected part or all fender post by an engineering piles pressure-bearing or anti-floating requirements a decision long and force transfer system; Its three be by permanent underground construction exterior wall ingredient decision wall be connected and waterproofing process.Wherein outer wall of basement and fender post adopt and to dig out that the pile ring muscle anchors into or bar planting anchoring way in addition, and with fender post surface cutter hair, wholely water concrete exterior wall and form integral body.
2), need adopt the engineering of going along with sb. to guard him of multilayer support for the multilayer underground construction, fender post is by the requirement design of " three usages of one pile ", relevant main points are the same, only deal with in addition in lower layer support and waling Liang Chu: to the lower layer support underground floor beam of double as person not, in the construction support place of cutting is buried; To the underground floor beam of lower layer support double as person, when construction waling beam, insert joist or muscle pipe through walls in advance, make by monobloc cast oblique angle concrete that exterior wall and floor form integral body about the basement.
3), the present invention is by at footing place monobloc cast power transmission bracket and bearing beam, is connected in conjunction with whole the watering of fender post and outer wall of basement, and fender post and engineering piles are passed in the superstructure loading.Also can water the power transmission outrigger base fender post and engineering piles are passed in the superstructure loading by whole.By base plate and ground beam steel and the stake muscle welding of digging out, wholely water concrete and make base plate, grade beam and cushion cap and fender post form integral body.
The effect that the present invention is useful is:
1), make that tradition need scrap go along with sb. to guard him engineering piles double as periphery engineering piles and outer wall of basement ingredient temporarily, play permanent action, save construction investment significantly.
2), this " three usages of one pile " invention technology has advantages such as construction is simple, construction machinery is simple, cost is low, and applicability is strong.
3), fender post is close to the underground construction external wall construction, solved the restriction of in the old town because place, the difficult problem when fender post can't be implemented.
Description of drawings
Fig. 1-the 5th, the technology of the present invention way is to the construction process figure and the final construction sectional drawing of mono-layer propping;
Fig. 6-the 13rd, construction process figure and final construction sectional drawing that the technology of the present invention way supports the need multilayer;
Figure 14 be the present invention to the multilayer underground construction when support system substitutes floor beam, exterior wall is connected the technology drawing with floor and fender post up and down;
Figure 15 is the bracket bearing beam is adopted fender post in the wood invention as peripheral engineering piles a force transfer system process schematic representation;
Figure 16 is the present invention adopts fender post the pressing plate of encorbelmenting as peripheral engineering piles a force transfer system process schematic representation;
Figure 17 is the technology drawing that the present invention represents the stressed and waterproof employing horizontal profile of underground construction exterior wall and fender post unification;
Figure 18 is that the present invention welds base plate and ground beam steel with the stake muscle of digging out, and the whole concrete that waters makes base plate, grade beam and cushion cap and fender post form the integrated artistic drawing.
Description of reference numerals: engineering piles 1, fender post 2 keeps off native sealing concrete stake curtain 3, support 4, capping beam 5, basement bottom board 6, pile cap 7, bricking wall 8, waterproofing course 9, outer wall of basement 10, basement roof 11, power transmission bracket 12, power transmission bearing beam 13, grade beam 14, side column 15, steel plate water-stopping band 16, oblique angle concrete 17, outer wall of basement joint bar and provided pipe 18, fender post and underground external wall dowel 19, oblique angle concrete arrangement of reinforcement 20, outer wall of basement arrangement of reinforcement 21, underground construction floor arrangement of reinforcement 22, lower floor's waling beam 23, lower layer support 24, lower floor's exterior wall 25, lower floor's floor 26, base plate or ground beam main tendon 27, dig out fender post muscle 28, clay or plain concrete 29 between fender post.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
The method of three usages of one pile is gone along with sb. to guard him mono-layer propping in this underground construction, mainly comprises the steps (Fig. 1-5):
1), construction works stake 1 and keep off native sealing concrete stake curtain 3, be close to the inboard construction fender post 2 (accompanying drawing 1) that keeps off native sealing concrete stake curtain;
2), top puts the slope and is excavated to and supports 4 bottom position (if soil nature difference or surrounding enviroment can adopt soil nailing to go along with sb. to guard him excavation when not allowing to put the slope), the capping beam 5 of construction fender post, monobloc cast concrete make and support 4 and form integral body (accompanying drawing 2) with capping beam 5;
3), be excavated to the end, hole, construction basement bottom board 6 and pile cap 7, basement bottom board is fixedlyed connected with engineering piles 1 by pile cap, pile cap and base plate adopt reinforcing bars to weld and put in order to water with fender post 2 and be connected (accompanying drawing 3);
4), cut support 4.Lay bricks between fender post chemise 8 and construction waterproof layer 9 tamp 29 (accompanying drawings 4) with space between fender post with clay or plain concrete simultaneously;
5), construction outer wall of basement 10 and basement roof 11.Monobloc cast power transmission bracket 12 and power transmission bearing beam 13 when construction outer wall of basement 10, power transmission bracket 12 is fixedlyed connected with capping beam by power transmission bearing beam 13, and stake 1,2 (accompanying drawings 5) are passed in the loading of superstructure post 15.
The method of three usages of one pile needs the engineering of going along with sb. to guard him that multiple tracks supports to multi-storey basement in this underground construction, implementation step following (Fig. 6-13):
Beginning step 1) and 2) with the step 1) and 2 of above-mentioned mono-layer propping) identical (accompanying drawing 6,7);
3), be excavated to the bottom position of lower layer support 24, monobloc cast waling beam 23 and lower layer support 24 (accompanying drawing 8);
4) be excavated to the end, hole, again, construction basement bottom board 6, grade beam 14 and pile cap 7.Basement bottom board, grade beam are fixedlyed connected with engineering piles 1 by pile cap, and pile cap, grade beam and base plate adopt whole the watering of reinforcing bar welding to be connected (accompanying drawing 9) with fender post 2;
5), cut lower layer support 24 and waling beam 23.Lay bricks between fender post chemise 8 and construction waterproof layer 9 tamp 29 (accompanying drawings 10) with space between fender post with clay or plain concrete simultaneously;
6), construction lower floor's exterior wall 25 and lower floor's floor 26 (accompanying drawing 11);
7), cut lower layer support 4.Lay bricks between fender post chemise 8 and construction waterproof layer 9 tamp 29 (accompanying drawings 12) with space between fender post with clay or plain concrete simultaneously;
Final step 8) step 5) with above-mentioned mono-layer propping identical (accompanying drawing 13).
Multi-storey basement is gone along with sb. to guard him engineering, also the lower layer support position can be overlapped with the lower floor floor beam, girth is made for permanent flooring girder system, form whole flooring after watering build floor thereon.This moment above-mentioned steps 5) in do not cut lower layer support 24 and waling beam 23, but when construction waling beam 23, insert joist or muscle pipe through walls in advance, make outer wall of basement 10, lower floor's exterior wall 25 form whole (accompanying drawing 14) by monobloc cast oblique angle concrete 17 with lower floor's floor 26.
Essence of the present invention is the technology of in a kind of underground construction interim space enclosing structure and permanent structure being share, as Figure 15-shown in Figure 180, to go along with sb. to guard him temporarily and not do to scrap after piling wall plays the effect of going along with sb. to guard him in the underground engineering construction stage, but after underground engineering construction is finished, play peripheral permanent works stake effect (pressure-bearing or anti-floating) again; Again as the exterior wall ingredient of underground construction, bear horizontal lateral pressure of operational phase and people's air defense pressure jointly simultaneously, so play " three usages of one pile " effect, reduce the system engineering cost.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims (5)

1, the method for three usages of one pile in a kind of underground construction, it is characterized in that: this method comprises the steps:
1), for the engineering of going along with sb. to guard him of mono-layer propping, fender post is close to the underground construction exterior wall distributes, and design by the requirement of " three usages of one pile ": the first is gone along with sb. to guard him excavation stage pile body should satisfy the fender post requirement, bears the water and soil lateral pressure; Its two be underground construction operational phase selected part or all fender post by an engineering piles pressure-bearing or anti-floating requirements a decision long and force transfer system; Its three be by permanent underground construction exterior wall ingredient decision wall be connected and waterproofing process; Wherein outer wall of basement and fender post adopt and to dig out that the pile ring muscle anchors into or bar planting anchoring way in addition, and with fender post surface cutter hair, wholely water concrete exterior wall and form integral body;
2), need adopt the engineering of going along with sb. to guard him of multilayer support for the multilayer underground construction, fender post is by the requirement design of " three usages of one pile ", about the same step 1) of the method for attachment of outer wall of basement and fender post, only deal with in addition:, in the construction support place of cutting is buried the lower layer support underground floor beam of double as person not in lower layer support and waling Liang Chu; To the underground floor beam of lower layer support double as person, when construction waling beam, insert joist or muscle pipe through walls in advance, make by monobloc cast oblique angle concrete that exterior wall and floor form integral body about the basement;
3), by monobloc cast power transmission bracket and bearing beam on capping beam, be connected in conjunction with whole the watering of fender post and outer wall of basement, fender post and engineering piles are passed in the superstructure loading, water the power transmission outrigger base fender post and engineering piles passed in the superstructure loading by whole; By base plate and ground beam steel and the stake muscle welding of digging out, wholely water concrete and make base plate, grade beam and cushion cap and fender post form integral body.
2, the method for three usages of one pile in the underground construction according to claim 1 is characterized in that: mono-layer propping is gone along with sb. to guard him, mainly comprise the steps:
1), construction works stake (1) and retaining native sealing concrete stake curtain (3), be close to the inboard that the keep off native sealing concrete stake curtain fender post (2) of constructing;
2), top puts the bottom position that the slope is excavated to support (4), if adopt soil nailing to go along with sb. to guard him excavation when soil nature difference or surrounding enviroment do not allow to put the slope, the capping beam (5) of construction fender post, monobloc cast concrete make supports (4) and capping beam (5) form integral body;
3), be excavated to the end, hole, construction basement bottom board (6), grade beam (14) and pile cap (7), basement bottom board (6) is fixedlyed connected with engineering piles (1) by pile cap (7), pile cap and base plate adopt reinforcing bar to weld and put in order to water with fender post (2) and be connected;
4), cut support (4), lay bricks between fender post chemise (8) and construction waterproof layer (9) tamp (29) with space between fender post with clay or plain concrete simultaneously;
5), construction outer wall of basement (10) and basement roof (11), monobloc cast power transmission bracket (12) and power transmission bearing beam (13) when construction outer wall of basement (10), power transmission bracket (12) is fixedlyed connected with capping beam by power transmission bearing beam (13), and engineering piles (1) and fender post (2) are passed in the loading of superstructure post (15).
3, the method for three usages of one pile in the underground construction according to claim 1 is characterized in that: to the engineering of going along with sb. to guard him of multi-storey basement need multiple tracks support, implementation step is as follows:
1), construction works stake (1) and retaining native sealing concrete stake curtain (3), be close to the inboard that the keep off native sealing concrete stake curtain fender post (2) of constructing;
2), top puts the bottom position that the slope is excavated to support (4), if adopt soil nailing to go along with sb. to guard him excavation when soil nature difference or surrounding enviroment do not allow to put the slope, the capping beam (5) of construction fender post, monobloc cast concrete make supports (4) and capping beam (5) form integral body;
3), be excavated to the bottom position of lower layer support (24), monobloc cast waling beam (23) and lower layer support (24);
4) be excavated to the end, hole, again, construction basement bottom board (6), grade beam (14) and pile cap (7), basement bottom board, grade beam are fixedlyed connected with engineering piles (1) by pile cap, and pile cap, grade beam and base plate adopt whole the watering of reinforcing bar welding to be connected with fender post (2);
5), cut lower layer support (24) and waling beam (23), lay bricks between fender post chemise (8) and construction waterproof layer (9) tamp (29) with space between fender post with clay or plain concrete simultaneously;
6), construction lower floor's exterior wall (25) and lower floor's floor (26);
7), cut support (4), lay bricks between fender post chemise (8) and construction waterproof layer (9) tamp (29) with space between fender post with clay or plain concrete simultaneously;
8), construction outer wall of basement (10) and basement roof (11), monobloc cast power transmission bracket (12) and power transmission bearing beam (13) when construction outer wall of basement (10), power transmission bracket (12) is fixedlyed connected with capping beam by power transmission bearing beam (13), and engineering piles (1) and fender post (2) are passed in the loading of superstructure post (15).
4, the method for three usages of one pile in the underground construction according to claim 3 is characterized in that: the lower layer support position is overlapped with the lower floor floor beam, girth is made for permanent flooring girder system, form whole flooring after watering build floor thereon; This moment above-mentioned steps 5) in do not cut lower layer support (24) and waling beam (23), but when construction waling beam (23), insert joist or muscle pipe through walls in advance, make outer wall of basement (10), lower floor's exterior wall (25) form whole by monobloc cast oblique angle concrete (17) with lower floor's floor (26).
5, according to the method for three usages of one pile in claim 2 or the 3 described underground constructions, it is characterized in that: the situation that can't put the slope for capping beam (5) with top owing to soil property and surrounding enviroment reason, set up the soil nailing anchor pole, compile steel mesh reinforcement and spray concrete formation soil nailing wall.
CNB200710070979XA 2007-08-22 2007-08-22 The method of three usages of one pile in a kind of underground construction CN100543239C (en)

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CN102493487B (en) * 2011-12-13 2014-02-26 上海建工一建集团有限公司 Method for constructing foundation slab embedded with concrete supports
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CN103485350B (en) * 2013-09-24 2016-06-01 上海市基础工程集团有限公司 The method of attachment of the steel supporting system raised and the collar tie beam that bears down on one
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