CN101117805A - Underground engineering one-pile multi-use semi reverse construction method - Google Patents
Underground engineering one-pile multi-use semi reverse construction method Download PDFInfo
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- CN101117805A CN101117805A CNA2007100709785A CN200710070978A CN101117805A CN 101117805 A CN101117805 A CN 101117805A CN A2007100709785 A CNA2007100709785 A CN A2007100709785A CN 200710070978 A CN200710070978 A CN 200710070978A CN 101117805 A CN101117805 A CN 101117805A
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Abstract
The present invention relates to a method for one pile for a plurality of applications for semi-reversal construction for the underground engineering. A traditional temporary enclosure support system of the underground engineering can be taken as a main beam system of floors; in addition to traditional load bearing and floating resistance function, an internal engineering pile can be taken as an enclosure support pile and a reinforcement structure of columns for the future underground engineering; the surrounding enclosure employs tradition methods, in addition to the enclosure, the surrounding enclosure protection pile is taken as a surrounding engineering pile and the external wall of the future underground engineering; the support system concurrently the floor beam system are excavated from top to bottom, and an underground engineering bottom plate and floors is worked and bearing column and a wall body is loaded to the ground from bottom to top. The present invention has the beneficial effects that the present invention combines the support system and the basement main beam system: the middle engineering pile is taken as pressure bearing, floating resistance and supporting pile and bearing load column for the future basement. Compared with the full-reversal method for the underground continuous wall, the present invention has the advantages of saving project cost, convenient construction, simple construction equipment, etc.
Description
Technical field
The present invention relates to a kind of complete structural system way and job practices that is used for underground engineering construction, be the method for using semi-inverse method in a kind of underground construction one more.
Background technology
Underground engineering construction generally is to set each layer support system that excavate and construct behind peripheral fender post and the middle part supporting pile downwards, treats that excavation constructs behind the sole plate on earth, supports by removing from last cutter successively down again, so speed of application is slow, the cost height, peripheral displacement control is difficult, has a big risk.The full-reverse construction technique that adopts diaphragm wall is also arranged both at home and abroad, promptly set after periphery goes along with sb. to guard him diaphragm wall and middle part engineering piles and supporting pile, the downward excavation construction of underground construction, synchronous ground engineering is upwards construction also, accelerating construction progress like this, but construction is complicated, need special machine, and cost is very high.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and the method for using semi-inverse method in a kind of underground construction one is provided more.Each layer of underground construction that tradition is interim gone along with sb. to guard him support system double as each floor face girder system of underground construction from now on; Except that bearing traditional pressure-bearing and anti-floating effect, double as is gone along with sb. to guard him the supporting pile and the arrangement of reinforcement framework of underground construction pillar from now on again with the internal engineering stake; Periphery is gone along with sb. to guard him and can be adopted traditional method, also can be except that bearing the effect of going along with sb. to guard him with peripheral fender post, and double as periphery engineering piles (pressure-bearing or anti-floating) and underground construction exterior wall ingredient again from now on; Each layer of excavation construction support system each floor face girder system of holding concurrently so from top to bottom, construct from bottom to top then underground construction base plate and each floor plate and load-bearing pillar and body of wall be to ground, the stake of one of meaning many with half against making technology.
The present invention solves the technical scheme that its technical problem adopts: use the method for semi-inverse method more in this underground construction one, mainly comprise the steps:
1.1, the native sealing concrete stake curtain of construction retaining, at the fender post of being close to the limit, construction hole, inboard that keep off native sealing concrete stake curtain, interior engineering piles and the supporting pile in construction hole;
1.2, the capping beam of monobloc cast fender post and the support of B1, this supports the girder in length and breadth of double as B1 top board;
1.3, be excavated at the bottom of the B1 floor, underground two layers of waling beam of monobloc cast and underground two layers support, this supports the girder in length and breadth of the underground two floor plates of double as;
1.4, be excavated at the bottom of the underground two floor plates, construct underground two layers of base plate and pile cap, basement bottom board is fixedlyed connected with engineering piles by pile cap, pile cap and base plate and fender post adopt whole the watering of reinforcing bar welding to be connected;
1.5, the construction underground two layers of fender post lay bricks outward chemise whitewash levelling and the construction exterior waterproof coating, construct underground two layers of exterior wall and underground two layers of top board;
1.6, the construction B1 fender post chemise of laying bricks outward whitewashes levelling and construction exterior waterproof coating, construction B1 exterior wall and B1 top board.
Another way of the present invention is that the fender post capping beam is moved down, and so can reduce by one support, has saved cost and convenient construction.Top soil property and surrounding enviroment decision are looked in concrete enforcement: if soil property is good and the surrounding enviroment permission, the slope excavation is directly put on top (if soil property or surrounding enviroment do not allow directly to put the slope in elder generation, can adopt the soil nailing circummure mode of protecting to excavate) to the capping beam bottom position, the capping beam of construction fender post; Be excavated to support (underground two layers) bottom position, put in order and water construction waling beam and support (underground two layers); Connect down with 1.4,1.5 and 1.6.If need utilize double as engineering piles on the fender post, construct simultaneously in 1.6 power transmission bearing beam and power transmission bracket are passed to fender post with the superstructure load by power transmission bracket, power transmission bearing beam and capping beam.
The invention provides a kind of support system and underground construction flooring girder system of will going along with sb. to guard him share; Make the middle part engineering piles play a four-function effect of pressure-bearing, anti-floating, supporting pile and engineering pressure bearing pile steel frame; Periphery is gone along with sb. to guard him and can be adopted traditional method, fender post is played go along with sb. to guard him, the three usages of one pile effect of peripheral engineering piles (pressure-bearing or anti-floating) and exterior wall ingredient; Adopt excavation from top to bottom, the flooring girder system of successively constructing support system, the sole plate of constructing then, the semi-inverse method technology of each layer wall column and floor from bottom to top.The construction costs that reduces like this is accelerated speed of application, and can strictly control lateral displacement, and risk is little, and carrying out underground engineering construction for solution old urban area parking difficulty problem provides than the reliable technique method.
The invention provides in this underground construction more than one a whole set of construction technology way: the way that is connected of underground construction exterior wall and fender post with semi-inverse method; Underground construction middle part stake, post with after water floor and be connected way; Water the way that is connected of floor, secondary beam and the girder of constructing in the underground construction behind each layer.
The present invention is suitable for basement more than two layers fully, and relevant way is the same.
The effect that the present invention is useful is: the technology of the present invention is share support system and basement girder system; With middle part engineering piles double as pressure-bearing, anti-floating, supporting pile and the load-bearing pillar of basement from now on, compare diaphragm wall full-reverse method, have the saving construction costs, easy construction, advantage such as construction equipment is simple.Especially along with China enters auto age, be to solve parking problem, must under the narrow environment in old town, carry out underground engineering construction, it is very risky to press conventional construction method, even can't implement, and the technology of the present invention solves the effective ways of this difficult problem just.
Description of drawings
Fig. 1-Fig. 6 is the construction way flow chart of the embodiment of the invention 1;
Fig. 7-Figure 12 is the construction way flow chart of the embodiment of the invention 2;
Figure 13 be the technology of the present invention underground construction exterior wall with fender post be connected the way schematic diagram;
Figure 14 be the middle part stake of the technology of the present invention underground construction, post with after water floor and be connected way schematic diagram 1;
Figure 15 is the 1-1 sectional view of Figure 14, Figure 16;
Figure 16 be the middle part stake of the technology of the present invention underground construction, post with after water floor and be connected way schematic diagram 2;
Figure 17 be water floor, secondary beam and the girder of constructing in the technology of the present invention underground construction behind each layer be connected way schematic diagram 1;
Figure 18 is the A-A sectional view of Figure 17;
Figure 19 be water floor, secondary beam and the girder of constructing in the technology of the present invention underground construction behind each layer be connected way schematic diagram 2;
Figure 20 is the B-B sectional view of Figure 19;
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 and cushion cap 6, supporting pile 7, bricking wall 8, waterproofing course 9, outer wall of basement 10, basement roof 11, waling beam 12, power transmission bearing beam 13, power transmission bracket 14 is worn the outer wall of basement muscle with giving pipe laying or joint bar 15, fender post and outer wall of basement dowel 16, oblique angle arrangement of reinforcement 17, supporting pile steel framework 18, the radial diagonal bar 19 of cap, cap horizontal loops stirrup 20, cap 21 gives and stays the secondary beam muscle or give pipe laying and wear secondary beam muscle 22, wears girder top muscle 23 when watering build floor, supporting surface gives reserves stirrup 24, flooring secondary beam 25.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment 1: this method is encircled and hunted down fender pile and sealing retaining soil-cement stake curtain earlier along the underground construction periphery, these fender posts can be by " three usages of one pile " way, also can interim routinely fender post way construct; Middle part construction works stake, these stakes can be selected part or all of stake by a four-function requirement construction according to the structure design situation.According to each floor plate-girder absolute altitude of underground construction, successively first from top to bottom each layer of construction be floor girder in length and breadth then, and these girder systems should meet the support force request simultaneously.The excavation sole plate of constructing from bottom to top after on earth, the underground construction of successively constructing post, wall and floor to ground get final product.
Using the method for semi-inverse method in this underground construction one more, be that underground each floor face girder system is combined with the interim support system of going along with sb. to guard him, from top to bottom build these floor beams earlier from the face of land, successively excavate on earth half adverse construction method technology of from bottom to top construct then underground construction sole plate, wallboard and pillar and each floor plate downwards.A four-function is adopted in stake in the middle of the underground construction: the first is as pressure bearing pile; It two is as the anti-floating stake; It three is to go along with sb. to guard him the supporting pile in stage as excavation; It four is as the load-bearing pillar of underground construction from now on.The fender post of underground construction periphery adopts 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.As Fig. 1～shown in Figure 6, specifically mainly comprise the steps:
1.1, the native sealing concrete stake curtain 3 of construction retaining, at the fender post 2 of being close to the limit, construction hole, inboard that keep off native sealing concrete stake curtain 3, interior engineering piles 1 and the supporting pile 7 in construction hole;
1.2, the capping beam 5 of construction B1 fender post 2, the support 4 of doing B1 makes capping beam 5 and support 4 and put in order to water and be connected, this supports the girder of 4 double as B1 top boards;
1.3, be excavated at the bottom of the B1 floor, the waling beam 12 of the underground two layers of fender post 2 of constructing is done underground two layers support 4, make waling beam 12 with support 4 whole watering and be connected, this supports the girder of the underground two floor plates of 4 double as;
1.4, be excavated at the bottom of underground two layers of base plate construction basement bottom board and pile cap 6.Basement bottom board and pile cap 6 are fixedlyed connected with engineering piles 1, and adopt whole the watering of reinforcing bar welding to be connected with fender post 2;
1.5, the construction underground two layers of fender post lay bricks outward chemise whitewash levelling 8 and the construction exterior waterproof coating 9, construct underground two layers of exterior wall 10 and underground two layers of top board 11.
1.6, the construction B1 fender post chemise of laying bricks outward whitewashes levelling 8 and construction exterior waterproof coating 9, construction B1 exterior wall 10 and B1 top board 11.
Embodiment 2: shown in Fig. 7～12, feature is that the fender post capping beam is moved down, and so can reduce by one support, has saved cost and convenient construction.Top soil property and surrounding enviroment decision are looked in concrete enforcement: if soil property is good and the surrounding enviroment permission, the slope excavation is directly put on top (if soil property or surrounding enviroment do not allow directly to put the slope in elder generation, can adopt the soil nailing circummure mode of protecting to excavate) to capping beam 5 bottom positions, the capping beam 5 of construction fender post 2; Be excavated to and support 4 bottom positions, whole watering constructed waling beam 12 and supported 4; Connect down with 1.4,1.5 and 1.6.If need utilize double as engineering piles on the fender post, construct simultaneously in 1.6 power transmission bearing beam 13 and power transmission bracket 14 are passed to fender post with the superstructure load by power transmission bracket 14, power transmission bearing beam 13 and capping beam 5.
The relevant underground construction exterior wall of the technology of the present invention is seen accompanying drawing 13 with the way that is connected of fender post.Outer wall of basement 10 waters together by fender post dowel 16 and fender post are whole, and fender post dowel 16 can adopt digs out the pile ring muscle or bar planting way on fender post.The vertical arrangement of reinforcement 15 of outer wall of basement can adopt to give when building waling beam 12 and insert short muscle and weld up and down and give and stay the pipe mode of passing to dispose.Underground construction floor 11 is by joining oblique angle muscle 17, and the whole steel bar concrete oblique angle that waters makes up and down that outer wall of basement and waling beam form integral body.
The middle part stake of the technology of the present invention underground construction, post with after water floor and be connected way and see accompanying drawing 14-16.Be meant the pile body as a four-function herein, other internal engineering stake and basement post are constructed according to a conventional method.Pile body to these four-function, its way be at foundation ditch with the lower part by engineering piles requirement arrangement of reinforcement and setting, and the end, hole is a steel framework 18 with top, excavation of foundation pit on earth after, basement bottom board and grade beam cushion cap arrangement of reinforcement pass the steel framework, build base plate and grade beam cushion cap, the steel framework 18 that exposes can be used as the arrangement of reinforcement skeleton or the arrangement of reinforcement ingredient of this place's basement pillar.If the steel framework has off normal in the construction, when building the basement bottom board cushion cap, regulate according to this post location arrangement of reinforcement post joint bar.The technology of the present invention underground construction center pillar with after water floor and be connected way and have two: first basement pillar is a square column, and it two is cylinders.Accompanying drawing 14 and 15 are square columns with after water floor and be connected way, its main points are to support to give according to the post arrangement of reinforcement in 4 o'clock in construction to stay part joint bar or pipe, so that weld or pass these post muscle up and down, then directly are communicated with configuration at the bight of pillar arrangement of reinforcement; Every angle disposes radial diagonal bar 19 in the junction, makes floor 11, supports 4 and go up lower prop and be linked to be integral body by the whole four sides pyramid cap 21 that waters down.The part of horizontal rectilineal hoop 20 of four sides inverted pyramid cap adopts to give in support 4 and stays joint bar or pipe to wear the setting of muscle way.Accompanying drawing 16 and 15 are cylinders with after water floor and be connected way, its way main points and square column with, only change four sides inverted pyramid cap into inverted cone cap 21, making up and down, cylinder forms whole with girth 4 of having constructed and floor 11.
Watering floor, secondary beam 11 in the technology of the present invention underground construction behind each layer has two kinds with the way that is connected of the girder of constructing (hold concurrently and support) 4, as shown in figure 17 a kind of; Earlier support to give according to basement floor secondary beam distributing position in 4 o'clock in construction and insert the secondary beam bottom reinforcement bars or give pipe laying 22, for the welding of secondary beam bottom reinforcement bars or pass, way formwork, colligation secondary beam and floor bar are routinely built concrete and are formed whole floor 11 then.These way characteristics are that the height of support 4 is the floor girder height.After water floor, secondary beam 11 the 4 another kind of ways that are connected as shown in figure 18 with the girder of constructing (hold concurrently and support); Be characterized in supporting in construction and on the surface stirrup exposed in 4 o'clock, then floor girder top muscle 23 is passed these stirrups, all the other ways are the same, and to add floor thick in order to support height for the height of building girder behind the concrete, so can reduce the basement story height.
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 (3)
- In the underground construction more than one with the method for semi-inverse method, it is characterized in that: mainly comprise the steps:1.1), construction retaining native sealing concrete stake curtain (3), the fender post (2) on the limit, construction hole, inboard of being close to the native sealing concrete stake curtain of retaining (3), engineering piles (1) and supporting pile (7) in the construction hole;1.2), the capping beam (5) of construction B1 fender post (2), the support (4) of doing B1 makes capping beam (5) and support (4) and put in order to water and be connected the girder of this support (4) double as B1 top board;1.3), be excavated at the bottom of the B1 floor, the waling beam (12) of the underground two layers of fender post (2) of constructing is done underground two layers support (4), makes waling beam (12) and support (4) whole watering and be connected the girder of the underground two floor plates of this support (4) double as;1.4), be excavated at the bottom of underground two layers of base plate construction basement bottom board and pile cap (6); Basement bottom board and pile cap (6) are fixedlyed connected with engineering piles (1), and adopt whole the watering of reinforcing bar welding to be connected with fender post (2);1.5), the construction underground two layers of fender post lay bricks outward chemise whitewash levelling (8) and the construction exterior waterproof coating (9), construct underground two layers of exterior wall (10) and underground two layers of top board (11);1.6), the construction B1 fender post chemise of laying bricks outward whitewashes levelling (8) and construction exterior waterproof coating (9), construction B1 exterior wall (10) and B1 top board (11).
- 2. use the method for semi-inverse method more in the underground construction according to claim 1 one, it is characterized in that: the fender post capping beam is moved down, reduce together and support, top soil property and surrounding enviroment decision are looked in concrete enforcement, and concrete steps are as follows:2.1), if the permission of the good and surrounding enviroment of soil property, first top is directly put the slope and is excavated to capping beam (5) bottom position, if soil property or surrounding enviroment do not allow directly to put the slope, the employing soil nailing circummure mode of protecting is excavated;2.2), the capping beam (5) of construction fender post (2), be excavated to supports (4) bottom position, whole water construction waling beam (12) and support (4); Connect down set by step 1.4), 1.5) and 1.6) construct;2.3), utilize double as engineering piles on the fender post if desired, in step 1.6) in construct simultaneously power transmission bearing beam (13) and power transmission bracket (14), the superstructure load is passed to fender post by power transmission bracket (14), power transmission bearing beam (13) and capping beam (5).
- 3. in the underground construction according to claim 1 more than one with the method for semi-inverse method, it is characterized in that: described support (4) is netted arrangement setting, as the girder system in length and breadth of basement floor from now on.
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| CNB2007100709785A CN100543241C (en) | 2007-08-22 | 2007-08-22 | Using the half contrary method of doing in a kind of underground construction one more |
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| CNB2007100709785A CN100543241C (en) | 2007-08-22 | 2007-08-22 | Using the half contrary method of doing in a kind of underground construction one more |
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| CN100543241C CN100543241C (en) | 2009-09-23 |
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