CN103343540A - Large foundation pit cylinder supporting structure system - Google Patents
Large foundation pit cylinder supporting structure system Download PDFInfo
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- CN103343540A CN103343540A CN2013103042406A CN201310304240A CN103343540A CN 103343540 A CN103343540 A CN 103343540A CN 2013103042406 A CN2013103042406 A CN 2013103042406A CN 201310304240 A CN201310304240 A CN 201310304240A CN 103343540 A CN103343540 A CN 103343540A
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Abstract
The invention discloses a large foundation pit cylinder supporting structure system, and belongs to the technical field of foundation pit supporting. The supporting structure system is defined by at least one cylindrical supporting structure and a plurality of first pile foundations together. The cylindrical supporting structure is an open-type cylinder supporting structure or a closed-type cylinder supporting structure, the cross section of the open-type cylinder supporting structure is in the shape of a groove, and an opening of the cross section faces towards the inner portion of the supporting structure system, and the cross section of the closed-type cylindrical supporting structure is of a closed frame-shaped structure. The invention aims to provide the large foundation pit cylinder supporting structure system which is compact in structure, reasonable in layout and strong in tension-resistant capacity and compression-resistance capacity. The large foundation pit cylinder supporting structure system is mainly used for supporting large foundation pits or huge foundation pits.
Description
Technical field
The present invention relates to a kind of Base hole supporting technology, more particularly, relate in particular to a kind of big foundation ditch tube supporting structure system.
Background technology
Along with the continuous progress of expanding economy and science and technology, extensive or ultra-large building develops rapidly and increases, and foundation ditch is increasing, more dark, and to the construction of the supporting and protection structure of foundation ditch also with more and more difficult.In building construction process, for the construction that guarantees underground structure and safety and the easy construction of deep foundation ditch surrounding enviroment, must take the measure of supporting and reinforcing to deep-foundation side wall and surrounding enviroment.At present, in big foundation ditch or super large Excavation Process, because area is big, the single piling strtucture that adopts routine can't satisfy the requirement of support technology.
Summary of the invention
The objective of the invention is at above-mentioned the deficiencies in the prior art, a kind of compact conformation, rationally distributed and big foundation ditch tube supporting structure system that the tension anti-pressure ability is strong are provided.
Technical scheme of the present invention is achieved in that a kind of big foundation ditch tube supporting structure system, and this supporting structure system is to be surrounded jointly by at least one supporting and protection structure and some first pile foundations; Described tube supporting and protection structure is open tube supporting and protection structure or closed tube supporting and protection structure, the cross section of described open tube supporting and protection structure be opening towards the groove shape of supporting structure system inside, the cross section of described closed tube supporting and protection structure is the shaped as frame structure of sealing.
In the above-mentioned big foundation ditch tube supporting structure system, the horizontal width of described tube supporting and protection structure is 8～20 meters, and horizontal length is 8～30 meters.
In the above-mentioned big foundation ditch tube supporting structure system, described open tubular supporting and protection structure or closed tubular supporting and protection structure surround by second pile foundation, are provided with horizontal supporting and protection structure between second pile foundation.
In the above-mentioned big foundation ditch tube supporting structure system, described first pile foundation and second pile foundation are to revolve and dig stake or sealing rotary churning pile or steel sheet pile or undergroundly be connected wall or gravity retaining wall or above-mentioned two or more combination arbitrarily.
In the above-mentioned big foundation ditch tube supporting structure system, described horizontal supporting and protection structure is drawn together the Guan Liang that is arranged on the second pile foundation top and is connected the brace summer of being preced with between the beam.
In the above-mentioned big foundation ditch tube supporting structure system, described horizontal supporting and protection structure also comprises the waist rail that is arranged on the second pile foundation middle inside and is arranged on an angle brace of supporting and protection structure corner that described waist rail is connected with anchor cable
In the above-mentioned big foundation ditch tube supporting structure system, second pile foundation that described open tube supporting and protection structure is positioned at the peristome two ends is extended towards two outsides respectively; Described extension length is 3～10 meters.
In the above-mentioned big foundation ditch tube supporting structure system, described second pile foundation outside is provided with the outer agitation pile in hole, and the width of agitation pile is 2.5～5 meters outside the described hole, and thickness is 4～6 meters.
In the above-mentioned big foundation ditch tube supporting structure system, the described second pile foundation inboard is provided with agitation pile in the hole, and the width of agitation pile is 3.5～6 meters in the described hole, and thickness is 3～5 meters; Further, agitation pile is distributed in a supporting and protection structure inboard in the described hole, and agitation pile interlock overlap joint is grid-like in the described hole.
After the present invention adopts said structure, cooperates and surround support system by the pile foundation of tube supporting and protection structure with the basis, a supporting and protection structure is as a pilework in the support system, the reinforcing supporting that solves local complex-terrain, can resist the bigger power of toppling, improve the non-deformability of support system; Simultaneously, can form local supporting again in the tube supporting and protection structure, in order to foundation ditch is further deep-cut, improve the flexibility of whole support system.The advantage that the present invention has is rational in infrastructure, the tension anti-pressure ability is strong.To saving the pattern foundation pit supporting structure cost, convenient construction shortens construction period and all has remarkable technical meaning, and support system of the present invention especially is fit to the supporting of big foundation ditch or super large foundation ditch.
Description of drawings
The present invention is described in further detail below in conjunction with the embodiment in the accompanying drawing, but do not constitute any limitation of the invention.
Fig. 1 is the plane structure schematic diagram of the embodiment of the invention 1;
Fig. 2 is the structural representation of 1 open supporting and protection structure of the embodiment of the invention;
Fig. 3 is the sectional structure schematic diagram of Fig. 2;
Fig. 4 is the plane structure schematic diagram of the embodiment of the invention 2;
Fig. 5 is the structural representation of 2 closed supporting and protection structure of the embodiment of the invention;
Fig. 6 is the sectional structure schematic diagram of Fig. 5;
Fig. 7 is the plane structure schematic diagram of the embodiment of the invention 3;
Fig. 8 is the plane structure schematic diagram of the embodiment of the invention 4;
Fig. 9 is the plane structure schematic diagram of the embodiment of the invention 5.
Among the figure: tube supporting and protection structure 1, first pile foundation 2, second pile foundation 3, revolve and dig a 3a, sealing rotary churning pile 3b, horizontal supporting and protection structure 4, hat beam 4a, brace summer 4b, waist rail 4c, angle brace 4d, anchor cable 4e, the outer agitation pile 5 in hole, the interior agitation pile 6 in hole.
The specific embodiment
Consult Fig. 1 to shown in Figure 3, a kind of big foundation ditch tube supporting structure system of the present invention, this supporting structure system is surrounded jointly by a tube supporting and protection structure 1 and some first pile foundations 2; Described tube supporting and protection structure 1 is open tube supporting and protection structure, and the cross section of described open tube supporting and protection structure is that opening is towards the groove shape of supporting structure system inside.The horizontal width of the supporting and protection structure 1 of tube described in the present embodiment is 8～20 meters, horizontal length is 8～30 meters, tube supporting and protection structure 1 in this size range has the anti-ability of comparatively ideal resistance to compression, can satisfy topple the more greatly requirement of power of opposing, simultaneously, it can form an independently supporting and protection structure again, and portion carries out further degree of depth excavation within it, to finish the different needs of integral construction; And, open structure, convenient inside and outside contact, the turnover of goods and materials material, the speed that can accelerate to construct.If tube supporting and protection structure 1 is oversize, then do not reach it as the desired intensity of supporting pile structure, if tube supporting and protection structure 1 is undersized, then can't form an independently supporting and protection structure, inner because the space is too small, influence is excavation further.
Open tubular supporting and protection structure described in the present embodiment is surrounded by second pile foundation 3, be provided with horizontal supporting and protection structure 4 between second pile foundation 3, described first pile foundation 2 and second pile foundation 3 are to revolve and dig stake or sealing rotary churning pile or steel sheet pile or undergroundly be connected wall or gravity retaining wall or above-mentioned two or more combination arbitrarily.First pile foundation 2 described in the present embodiment is the gravity retaining wall, and described second pile foundation 3 is for revolving the combination of digging a 3a and sealing rotary churning pile 3b; Described horizontal supporting and protection structure 4 comprises the hat beam 4a that is arranged on second pile foundation, 3 tops and is connected the brace summer 4b that is preced with between the beam 4a.These piling strtuctures all are the conventional structures of this area, can be that single stake also can be multiline pile during construction, according to the different soil property geology at excavation of foundation pit place, adopt adapt piling strtucture, to reach the supporting requirement.When adopting, second pile foundation 3 revolves when digging stake or sealing rotary churning pile or steel sheet pile, because it is to be rearranged in regular turn by some pile foundations, horizontal supporting and protection structure 4 can also comprise the waist rail 4c that is arranged on second pile foundation, 3 middle inside and be arranged on the angle brace 4d of tube supporting and protection structure 1 corner that second pile foundation 3 surrounds this moment, and described waist rail 4c is connected with anchor cable 4e.Can improve the compression and tensile strength of whole supporting and protection structure like this.
Further, second pile foundation 3 that is positioned at the peristome two ends in open tube supporting and protection structure is extended towards two outsides respectively; Described extension length is 3～10 meters.This structure also is for the rigidity intensity that improves whole tube supporting and protection structure 1.
Simultaneously, because each supports the stressed fringe conditions complexity in border, asymmetric, tube supporting and protection structure 1 general supporting support system is stressed also complicated a lot.Various force-bearing situations such as the support system of supporting cylindrical shell will bear and draw, bend, pressure, and will with first pile foundation 2 coordinative role together, form reliable and stable rigidity support system.In order to guarantee 1 acting in conjunction of whole tube supporting and protection structure, therefore, agitation pile 5 outside second pile foundation, 3 outsides are provided with the hole, agitation pile 6 in second pile foundation, 3 inboards are provided with the hole, the width of cheating outer agitation pile 5 is 2.5～5 meters, thickness is 4～6 meters, and the width of agitation pile 6 is 3.5～6 meters in the hole, and thickness is 3～5 meters.Adopt agitation pile to carry out soil stabilization, improve the soil mass property of whole tubular construction scope.
During construction, elder generation's construction tube supporting and protection structure 1 and first pile foundation 2, the further sequence of construction of tube supporting and protection structure 1 is: at first be excavated to desired depth, construct then and cheat hat beam 4a, the brace summer 4b that push up in agitation pile 6, hole in outer agitation pile 5, the hole, the column that supports brace summer, continue excavation down then, behind construction waist rail 4c and the anchor cable 4e, be excavated to the end, hole.In order to guarantee the construction period, improve supporting cylindrical shell non-deformability, support system and soldier pile are not all removed returning the stage of building, just and basement build finish after with supporting removal.
Consult Fig. 4 and shown in Figure 6, this a kind of big foundation ditch tube supporting structure system, its structure is substantially the same manner as Example 1, difference is that at first, described tube supporting and protection structure 1 is closed tube supporting and protection structure, both sides do not have extension, the cross section of described closed tube supporting and protection structure is the shaped as frame structure of sealing, and the shaped as frame structure can be cubic shaped as frame, also can be conventional structures such as polygon shaped as frame or circle.Secondly, agitation pile 6 is distributed in a supporting and protection structure 1 inboard in the described hole, and agitation pile 6 interlocks overlap joint is grid-like in the described hole.This structure is for the soil body in cheating being reinforced, being improved the soil mass property of whole tubular construction scope equally.
Closed tubular supporting and protection structure described in the present embodiment all is to be surrounded by second pile foundation 3 equally, and its horizontal supporting and protection structure 4 is also identical with embodiment 1.Simultaneously, its form of construction work is identical with embodiment 1.
Closed tube supporting and protection structure is compared open tube supporting and protection structure, can have higher supporting intensity.But because it is enclosed construction, so goods and materials material and personnel turnover does not just have open tube supporting and protection structure convenient.
Consult shown in Figure 7, a kind of big foundation ditch tube supporting structure system of the present invention, its structure is substantially the same manner as Example 1, difference is, the open tube supporting and protection structure in the present embodiment has several, arranges along the foundation ditch marginating compartment respectively.This structure is applicable to that the supporting area is big, but the supporting intensity requirement is not very high foundation ditch.
Embodiment 4
Consult shown in Figure 8, a kind of big foundation ditch tube supporting structure system of the present invention, its structure is substantially the same manner as Example 2, difference is, the closed tube supporting and protection structure in the present embodiment has several, arranges along the foundation ditch marginating compartment respectively.This structure is applicable to that the supporting area is big, and the supporting intensity foundation ditch of having relatively high expectations.
Consult shown in Figure 9, a kind of big foundation ditch tube supporting structure system of the present invention, its structure is substantially the same manner as Example 1, difference is, tube supporting and protection structure 1 in the present embodiment comprises two closed tube supporting and protection structure and six open tube supporting and protection structure, and open tube supporting and protection structure and closed tube supporting and protection structure arrange along the foundation ditch marginating compartment respectively.This structure is applicable to that the supporting area is big, and the foundation ditch of landform, soil body type complexity.
In the supporting size of the tube supporting and protection structure that is formed by vertical pile foundation (being the second above-mentioned pile foundation 2) hour, the tube supporting and protection structure length and width size that constitutes as steel sheet piling is at 3～5 meters, the sealing tube supporting and protection structure length and width size that the cement pile foundation constitutes can not arrange horizontal supporting or horizontal connection member in the time of 8～12 meters; The supporting size of the tube supporting and protection structure that forms when vertical pile foundation is greatly the time, the tube supporting and protection structure length and width size that constitutes as steel sheet piling is during greater than 5 meters, the sealing tube supporting and protection structure length and width size that the cement pile foundation constitutes just need arrange horizontal supporting or horizontal connection member during greater than 12 meters usually.
Above-described embodiment is preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; and other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. one kind big foundation ditch tube supporting structure system is characterized in that, this supporting structure system is surrounded jointly by at least one supporting and protection structure (1) and some first pile foundations (2); Described tube supporting and protection structure (1) is open tube supporting and protection structure or closed tube supporting and protection structure, the cross section of described open tube supporting and protection structure be opening towards the groove shape of supporting structure system inside, the cross section of described closed tube supporting and protection structure is the shaped as frame structure of sealing.
2. big foundation ditch tube supporting structure system according to claim 1 is characterized in that, the horizontal width of described tube supporting and protection structure (1) is 8～20 meters, and horizontal length is 8～30 meters.
3. big foundation ditch tube supporting structure system according to claim 1 and 2, it is characterized in that, described open tube supporting and protection structure or closed tube supporting and protection structure surround by second pile foundation (3), are provided with horizontal supporting and protection structure (4) between second pile foundation (3).
4. big foundation ditch tube supporting structure system according to claim 3, it is characterized in that described first pile foundation (2) and second pile foundation (3) are to revolve and dig stake or sealing rotary churning pile or steel sheet pile or undergroundly be connected wall or gravity retaining wall or above-mentioned two or more combination arbitrarily.
5. big foundation ditch tube supporting structure system according to claim 3 is characterized in that, described horizontal supporting and protection structure (4) comprises the Guan Liang (4a) that is arranged on second pile foundation (3) top and is connected brace summer (4b) between the Guan Liang (4a).
6. big foundation ditch tube supporting structure system according to claim 5, it is characterized in that, described horizontal supporting and protection structure (4) also comprises the waist rail (4c) that is arranged on second pile foundation (3) middle inside and is arranged on the angle brace (4d) of a supporting and protection structure (1) corner that described waist rail (4c) is connected with anchor cable (4e).
7. big foundation ditch tube supporting structure system according to claim 3 is characterized in that, second pile foundation (3) that described open tube supporting and protection structure is positioned at the peristome two ends is extended towards two outsides respectively; Described extension length is 3～10 meters.
8. big foundation ditch tube supporting structure system according to claim 3 is characterized in that, described second pile foundation (3) outside is provided with hole outer agitation pile (5), and the width of agitation pile outside the described hole (5) is 2.5～5 meters, and thickness is 4～6 meters.
9. big foundation ditch tube supporting structure system according to claim 5 is characterized in that, described second pile foundation (3) inboard is provided with agitation pile (6) in the hole, and the width of agitation pile in the described hole (6) is 3.5～6 meters, and thickness is 3～5 meters.
10. big foundation ditch tube supporting structure system according to claim 9 is characterized in that, agitation pile in the described hole (6) is distributed in a supporting and protection structure (1) inboard, and agitation pile in the described hole (6) interlock overlap joint is grid-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103042406A CN103343540A (en) | 2013-07-17 | 2013-07-17 | Large foundation pit cylinder supporting structure system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103042406A CN103343540A (en) | 2013-07-17 | 2013-07-17 | Large foundation pit cylinder supporting structure system |
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| CN103343540A true CN103343540A (en) | 2013-10-09 |
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| CN2013103042406A Pending CN103343540A (en) | 2013-07-17 | 2013-07-17 | Large foundation pit cylinder supporting structure system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967018A (en) * | 2014-05-09 | 2014-08-06 | 深圳市工勘岩土集团有限公司 | Deep and large foundation pit angle supporting horizontal shearing resistance structure |
| CN104005413A (en) * | 2014-05-07 | 2014-08-27 | 广州市市政工程设计研究院 | Supporting structure for butt supporting of reinforcing steel plate pile and core tube in deep foundation pit |
| CN105133620A (en) * | 2015-08-19 | 2015-12-09 | 中国建筑第八工程局有限公司 | Supporting structure for pit-in-pit with local fluidal plastic sludge soil mass and construction method of supporting structure |
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| KR20050010616A (en) * | 2003-07-21 | 2005-01-28 | 김정균 | transverse truss strutting method for construction and structure thereof |
| CN102644286A (en) * | 2012-04-10 | 2012-08-22 | 广东天竟建设有限公司 | Deep foundation pit supporting structure |
| CN203034466U (en) * | 2012-11-15 | 2013-07-03 | 深圳市工勘岩土工程有限公司 | High slope supporting structure closely attached to underground structure external wall |
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2013
- 2013-07-17 CN CN2013103042406A patent/CN103343540A/en active Pending
Patent Citations (3)
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| KR20050010616A (en) * | 2003-07-21 | 2005-01-28 | 김정균 | transverse truss strutting method for construction and structure thereof |
| CN102644286A (en) * | 2012-04-10 | 2012-08-22 | 广东天竟建设有限公司 | Deep foundation pit supporting structure |
| CN203034466U (en) * | 2012-11-15 | 2013-07-03 | 深圳市工勘岩土工程有限公司 | High slope supporting structure closely attached to underground structure external wall |
Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005413A (en) * | 2014-05-07 | 2014-08-27 | 广州市市政工程设计研究院 | Supporting structure for butt supporting of reinforcing steel plate pile and core tube in deep foundation pit |
| CN104005413B (en) * | 2014-05-07 | 2016-06-15 | 广州市市政工程设计研究总院 | Reinforced steel sheet pile and the Core Walls Structure supporting construction to support in a kind of deep basal pit |
| CN103967018A (en) * | 2014-05-09 | 2014-08-06 | 深圳市工勘岩土集团有限公司 | Deep and large foundation pit angle supporting horizontal shearing resistance structure |
| CN103967018B (en) * | 2014-05-09 | 2016-10-05 | 深圳市工勘岩土集团有限公司 | Deep big foundation pit angle support level shear structure |
| CN105133620A (en) * | 2015-08-19 | 2015-12-09 | 中国建筑第八工程局有限公司 | Supporting structure for pit-in-pit with local fluidal plastic sludge soil mass and construction method of supporting structure |
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Application publication date: 20131009 |