CN103132465B - Underground box culvert constructing method closely attached to pile foundation bearing platform - Google Patents
Underground box culvert constructing method closely attached to pile foundation bearing platform Download PDFInfo
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- CN103132465B CN103132465B CN201310096719.5A CN201310096719A CN103132465B CN 103132465 B CN103132465 B CN 103132465B CN 201310096719 A CN201310096719 A CN 201310096719A CN 103132465 B CN103132465 B CN 103132465B
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- protection structure
- vertical supporting
- pile foundation
- underground culvert
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Abstract
The invention discloses an underground box culvert constructing method closely attached to a pile foundation bearing platform. A main structure of an underground box culvert is closely attached to edges of an existing bearing platform. The constructing method comprises the following steps: a boundary invading perpendicular supporting structure is constructed in a width dimension range of the bearing platform; earth excavation and horizontal supporting component erection are performed alternatively up to a designed height so that a foundation pit is formed; a reinforced concrete press plate is poured at the bottom of the foundation pit; the boundary invading perpendicular supporting structure is chiseled in a segmented mode from top to bottom, a soil blocking prefabricating beam is installed in a following mode, meanwhile, piecemeal support exchange is performed to horizontal supporting components and the operation is circulated till the bottom of the foundation pit; after an underground box culvert constructing bottom plate is poured, the horizontal supporting components are detached from bottom to top, side walls of the underground box culvert are poured with the soil blocking prefabricating beam serving as an outer side pattern plate and the two operations are performed alternatively; and a top plate of the underground box culvert is poured finally. The underground box culvert constructing method closely attached to the pile foundation bearing platform has the advantages that the foundation pit is supported effectively under the condition that a requirement for a space of the underground pit is satisfied, meanwhile influences on an existing pile foundation are controlled and normal operating requirements of an existing structure are satisfied.
Description
Technical field
The invention belongs to underground construction technical field, be specifically related to a kind of Underground Culvert construction method being close to pile foundation support table.
Background technology
Certain airport rapid transit passage is Underground Culvert structure, due to restrictions such as ambient conditionss, this Underground Culvert structure and existing built on stilts airport gallery intersect vertically, and be close to gallery pile foundation support table, and owing to being close in Underground Culvert agent structure and cushion cap limit, the space of vertical supporting structure system enforcement is not carried out within the scope of cushion cap width dimensions, thus must consider that other supporting method is to the weak soil soil layer in cushion cap width range, basic component (pile foundation and cushion cap) is protected with the top gallery be connected, use to guarantee that the safety of top gallery is normal, stability of foundation pit under excavation state.
The technical scheme that cushion cap is underpined can be selected for above-mentioned operating mode, but cushion cap underpins scheme to be existed and needs to widen cushion cap, takies the underground space and widen due to cushion cap and make Underground Culvert implement the shortcoming such as more difficult, therefore this kind of scheme be not suitable for using in this engineering.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of Underground Culvert construction method being close to pile foundation support table is provided, this construction method invades the vertical supporting and protection structure in boundary by construction within the scope of cushion cap width dimensions, and laterally set up horizontal support elements invading between the vertical supporting and protection structure in boundary, wait to cut invade the vertical supporting and protection structure in boundary after the native prefabricated crossbeam of gear is longitudinally set again, to reach, effective support is carried out to foundation ditch, control the impact on existing pile foundation simultaneously.
The object of the invention realizes being completed by following technical scheme:
A kind of Underground Culvert construction method being close to pile foundation support table, relate to existing pile foundation cushion cap, agent structure and the described cushion cap limit of described Underground Culvert are close to, it is characterized in that described Underground Culvert construction method at least comprises the steps: that A. along the described Underground Culvert preset longitudinally, construct in described cushion cap both sides vertical supporting and protection structure, within the scope of described cushion cap width dimensions, the vertical supporting and protection structure in boundary is invaded in construction; B. excavate the earthwork in the space of described vertical supporting and protection structure formation, laterally set up horizontal support elements described invading between the vertical supporting and protection structure in boundary, alternately construction is until design height, to form foundation ditch simultaneously; C. bottom described foundation ditch construction and pouring reinforcement concrete pressing plate, and by the reinforcing bar in described steel concrete pressing plate with described invade in the vertical supporting and protection structure in boundary main muscle weld together; D., within the scope of described Underground Culvert design height, segmentation cuts and invades the vertical supporting and protection structure in boundary from top to bottom, and keeps off native prefabricated crossbeam near the pile foundation sidewall installation of described cushion cap; Support replacement is piecemeal carried out to described horizontal support elements, to make the two end supports of described horizontal support elements on the native prefabricated crossbeam of described gear simultaneously; Cycle operation like this is until steel concrete pressing plate place bottom described foundation ditch; E. build the base plate of described Underground Culvert, in described foundation ditch, remove described horizontal support elements from bottom to up afterwards, and with the native prefabricated crossbeam of described gear for outboard template builds the side wall of described Underground Culvert, both hocket; Top board is built to complete the agent structure of described Underground Culvert at the design height place of described Underground Culvert; Last earthing backfill above described top board.
Connecting reinforcement or band steel is embedded with near described cushion cap two sides place in described vertical supporting and protection structure, when the pile foundation sidewall installation of described cushion cap keeps off native prefabricated crossbeam, first the Surface layer's concrete of the vertical supporting and protection structure near described cushion cap two sides place is cut, pull out pre-buried described connecting reinforcement or band steel, described gear native prefabricated crossbeam two ends and described connecting reinforcement or band steel are welded and fixed.
Described vertical supporting and protection structure supporting and protection structure vertical with invading boundary adopts bored pile or diaphragm wall.
The native prefabricated crossbeam of described gear is one or more in lattice girder steel, shaped steel or precast concrete beam.
The native prefabricated crossbeam of described gear is lattice girder steel, and the two sides of described lattice girder steel are laid with panel.
Advantage of the present invention is, under the condition meeting Underground Culvert space requirement, carry out effective support to foundation ditch, and control existing pile foundation impact, meet the instructions for use of existing structure thing normal operation, construction sequence is simple, and technical economic benefit is remarkable simultaneously.
Accompanying drawing explanation
Fig. 1 is the plane relation schematic diagram in the present invention between Underground Culvert and cushion cap;
Fig. 2 is construction foundation pit schematic diagram in the present invention;
Fig. 3 cuts in the present invention to invade the vertical supporting and protection structure in boundary and the native prefabricated crossbeam schematic diagram of welding gear piecemeal;
Fig. 4 cuts in the present invention to invade the vertical supporting and protection structure in boundary and the native prefabricated crossbeam schematic diagram of welding gear piecemeal;
Fig. 5 is the schematic diagram completing the native prefabricated crossbeam of welding gear in the present invention;
Fig. 6 is the schematic cross section of foundation ditch in the present invention;
Fig. 7 be in the present invention Underground Culvert constructed after structural representation;
Fig. 8 is near the connection diagram I of the vertical supporting and protection structure of cushion cap two end faces with the native prefabricated crossbeam of gear in the present invention;
Fig. 9 is near the connection diagram II of the vertical supporting and protection structure of cushion cap two end faces with the native prefabricated crossbeam of gear in the present invention;
Figure 10 is the plane relation schematic diagram in the present invention between cushion cap with vertical supporting and protection structure.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technician of the same trade:
Be respectively as marked 1-12 in Fig. 1-10, figure: vertical supporting and protection structure 1, foundation ditch 2, invade the vertical supporting and protection structure in boundary 3, keep off native prefabricated crossbeam 4, existing pile foundation 5, cushion cap 6, vertical supporting and protection structure 7, horizontal support elements 8, plain concrete layer 9, steel concrete pressing plate 10, Underground Culvert 11, connecting reinforcement 12.
Embodiment: as shown in figs 1-9, the present embodiment is specifically related to a kind of Underground Culvert construction method being close to pile foundation support table, certain airport rapid transit passage yet to be built is Underground Culvert structure, due to the restriction of ambient conditions, this rapid transit passage yet to be built and existing built on stilts airport gallery intersect vertically, the width of Underground Culvert 11 is equal with the distance of being separated by between two existing cushion caps 6, therefore the Underground Culvert 11 of rapid transit passage needs to be close to existing pile foundation 5 and cushion cap 6 is constructed, because construction space is narrow, difficulty of construction is larger.Below for being close to the Specific construction step of the Underground Culvert construction method of pile foundation support table:
A. as shown in Fig. 1,2,8,10, a narrow space is accompanied between the existing pile foundation 5 of both sides, first vertical supporting and protection structure 7 is squeezed in the two sides construction near cushion cap 6, connecting reinforcement 12 is embedded with in vertical supporting and protection structure 7, connecting reinforcement 12 is for connecting the gear soil prefabricated crossbeam of subsequent installation, and connecting reinforcement 12 also can adopt band steel; And longitudinally squeeze into vertical supporting and protection structure 1 successively along the Underground Culvert preset, vertical supporting and protection structure 1 arranges near rapid transit channel profile yet to be built; Within the scope of the width dimensions of cushion cap 6, the vertical supporting and protection structure 3 in boundary is invaded in construction afterwards, namely refers in the side ranges that cushion cap 6 contacts with foundation ditch 2 within the scope of so-called width dimensions; Wherein vertical supporting and protection structure 1, invade the vertical supporting and protection structure in boundary 3 and all adopt drill-pouring pilework with vertical supporting and protection structure 7;
B. as shown in Figure 2, limit excavation invades the earthwork in space that the vertical supporting and protection structure in boundary 3 and vertical supporting and protection structure 1 forms, limit is erection horizontal support elements 8 laterally, the two ends supporting and protection structure 3 vertical with invading boundary of horizontal support elements 8 fixes, excavation and erection hockets until foundation ditch 2 design height, to form foundation ditch 2;
C. as shown in Figure 2, construct in the bottom of foundation ditch 2 and build plain concrete layer 9, pouring reinforcement concrete pressing plate 10 again on plain concrete layer 9 afterwards, the main muscle in the supporting and protection structure 3 vertical with invading boundary of the reinforcing bar in steel concrete pressing plate 10 welds together, to improve the stability of foundation ditch 2;
D. as shown in Fig. 1,3,4,5,6, within the scope of the design height of Underground Culvert 11, segmentation cuts and invades the vertical supporting and protection structure 3 in boundary from top to bottom, and cut the Surface layer's concrete of the vertical supporting and protection structure 7 near cushion cap 6 two sides place, pull out the connecting reinforcement 12 be embedded in advance wherein, mounting block soil prefabricated crossbeam 4, makes the two ends of gear soil prefabricated crossbeam 4 and connecting reinforcement 12 weld together; Support replacement is piecemeal carried out to horizontal support elements 8, to make its two end supports on the native prefabricated crossbeam 4 of gear simultaneously; Alternate cycles operation like this is until on steel concrete pressing plate 10 bottom foundation ditch 2; Wherein keep off native prefabricated crossbeam 4 and can adopt lattice girder steel, shaped steel or precast concrete beam, according to lattice girder steel, panel should be laid on two lateral surfaces of lattice girder steel, it meets native panel in order to stable stop water and soil, and its foundation ditch panel can be used as the side wall template of building Underground Culvert 11 agent structure;
E. as shown in Fig. 5,6,7, build the base plate of Underground Culvert, in foundation ditch 2, remove horizontal support elements 8 from bottom to up afterwards, and with the gear of both sides soil prefabricated crossbeam 4 for outboard template builds Underground Culvert side wall, both hocket, to form the side wall of Underground Culvert 11; Thereafter top board is built to complete the agent structure of Underground Culvert 11 at the design height place of Underground Culvert 11; Last earthing backfill above top board.
As shown in Figure 8,9, the vertical supporting and protection structure being used for mounting block soil prefabricated crossbeam 4 near cushion cap 6 two sides can be close to foundation ditch 2 avris layout (see figure 9), also can abdicate the width keeping off native prefabricated crossbeam 4 and arrange (see figure 8), if be close to foundation ditch 2 avris to arrange, the workload that part invades the vertical supporting and protection structure 3 in boundary can be saved, but larger with the native prefabricated crossbeam 4 connection construction difficulty of gear; The width keeping off native prefabricated crossbeam 4 if abdicate is arranged, more convenient with the connection construction of the native prefabricated crossbeam 4 of gear.
In the present embodiment, first the vertical supporting and protection structure in boundary 3 is invaded in construction, vertical supporting and protection structure 1 is with the object of vertical supporting and protection structure 7, controls follow-uply to deep-cut soil disturbance in the process of foundation ditch 2 and cause impact for existing pile foundation 5 and cushion cap 6; Cut the object of invading the vertical supporting and protection structure 3 in boundary to be afterwards, invade the design width that the vertical supporting and protection structure 3 in boundary is positioned at Underground Culvert 11, therefore must be cut, and the native prefabricated crossbeam 4 of gear is set near the sidewall of vertical supporting and protection structure 7 and existing pile foundation 5, keep off native prefabricated crossbeam 4 and not only can carry out effective support to foundation ditch 2, control the impact on existing pile foundation 5, also because its width is less, sufficient space can be sold to apply the agent structure of Underground Culvert 11.
Claims (5)
1. be close to the Underground Culvert construction method of pile foundation support table for one kind, relate to existing pile foundation cushion cap, agent structure and the described cushion cap limit of described Underground Culvert are close to, it is characterized in that described Underground Culvert construction method at least comprises the steps: that A. along the described Underground Culvert preset longitudinally, to construct in described cushion cap both sides vertical supporting and protection structure, within the scope of described cushion cap width dimensions, the vertical supporting and protection structure in boundary is invaded in construction, namely refers in the side ranges that described cushion cap contacts with foundation ditch within the scope of so-called width dimensions; B. excavate the earthwork in the space of described vertical supporting and protection structure formation, laterally set up horizontal support elements described invading between the vertical supporting and protection structure in boundary, alternately construction is until design height, to form foundation ditch simultaneously; C. bottom described foundation ditch construction and pouring reinforcement concrete pressing plate, and by the reinforcing bar in described steel concrete pressing plate with described invade in the vertical supporting and protection structure in boundary main muscle weld together; D., within the scope of described Underground Culvert design height, segmentation cuts and invades the vertical supporting and protection structure in boundary from top to bottom, and keeps off native prefabricated crossbeam near the pile foundation sidewall installation of described cushion cap; Support replacement is piecemeal carried out to described horizontal support elements, to make the two end supports of described horizontal support elements on the native prefabricated crossbeam of described gear simultaneously; Cycle operation like this is until steel concrete pressing plate place bottom described foundation ditch; E. build the base plate of described Underground Culvert, in described foundation ditch, remove described horizontal support elements from bottom to up afterwards, and with the native prefabricated crossbeam of described gear for outboard template builds the side wall of described Underground Culvert, both hocket; Top board is built to complete the agent structure of described Underground Culvert at the design height place of described Underground Culvert; Last earthing backfill above described top board.
2. a kind of Underground Culvert construction method being close to pile foundation support table according to claim 1, it is characterized in that being embedded with connecting reinforcement or band steel in described vertical supporting and protection structure near described cushion cap two sides place, when the pile foundation sidewall installation of described cushion cap keeps off native prefabricated crossbeam, first the Surface layer's concrete of the vertical supporting and protection structure near described cushion cap two sides place is cut, pull out pre-buried described connecting reinforcement or band steel, described gear native prefabricated crossbeam two ends and described connecting reinforcement or band steel are welded and fixed.
3. a kind of Underground Culvert construction method being close to pile foundation support table according to claim 1, is characterized in that described vertical supporting and protection structure supporting and protection structure vertical with invading boundary adopts bored pile or diaphragm wall.
4. a kind of Underground Culvert construction method being close to pile foundation support table according to claim 1, is characterized in that the native prefabricated crossbeam of described gear is one or more in lattice girder steel or precast concrete beam.
5. a kind of Underground Culvert construction method being close to pile foundation support table according to claim 4, is characterized in that the native prefabricated crossbeam of described gear is lattice girder steel, the two sides of described lattice girder steel is laid with panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310096719.5A CN103132465B (en) | 2013-03-25 | 2013-03-25 | Underground box culvert constructing method closely attached to pile foundation bearing platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310096719.5A CN103132465B (en) | 2013-03-25 | 2013-03-25 | Underground box culvert constructing method closely attached to pile foundation bearing platform |
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| CN103132465A CN103132465A (en) | 2013-06-05 |
| CN103132465B true CN103132465B (en) | 2014-12-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758890B (en) * | 2016-11-11 | 2017-11-17 | 厦门市市政工程设计院有限公司 | Campshed box culvert structure and its construction method |
| CN107034918A (en) * | 2017-06-23 | 2017-08-11 | 北京城乡建设集团有限责任公司 | A kind of integral structure and amputation method for improving amputation efficiency |
| CN110158614B (en) * | 2019-06-14 | 2021-03-16 | 广西大学 | Foundation pit support structure penetration limiting residual pile chiseling and pile filling combined support method |
| CN111519634B (en) * | 2020-04-30 | 2022-05-10 | 中国一冶集团有限公司 | Support removing and replacing construction method of temporary support replacing structure |
| CN114033214B (en) * | 2021-12-15 | 2023-03-28 | 山西五建集团有限公司 | Method for treating strut-changing type space pile foundation of existing fractured ancient urn city gate by using top-turning reconstruction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030071986A (en) * | 2002-03-05 | 2003-09-13 | 한국건설기술연구원 | Culvert and culvert method by segmental block |
| JP2004150033A (en) * | 2002-10-28 | 2004-05-27 | Taisei Corp | Strut replacing tool and strut replacing method |
| CN102444142A (en) * | 2011-09-20 | 2012-05-09 | 新世纪建设集团有限公司 | Pile group column replacement expanded basement and construction method of same |
| CN102444132A (en) * | 2011-09-15 | 2012-05-09 | 中国建筑第六工程局有限公司 | Support structure of relay double-row steel sheet pile underwater deep foundation pit and construction method |
| CN102720201A (en) * | 2012-07-02 | 2012-10-10 | 中建三局第二建设工程有限责任公司 | Support change construction building method implemented by using main structure of building |
-
2013
- 2013-03-25 CN CN201310096719.5A patent/CN103132465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030071986A (en) * | 2002-03-05 | 2003-09-13 | 한국건설기술연구원 | Culvert and culvert method by segmental block |
| JP2004150033A (en) * | 2002-10-28 | 2004-05-27 | Taisei Corp | Strut replacing tool and strut replacing method |
| CN102444132A (en) * | 2011-09-15 | 2012-05-09 | 中国建筑第六工程局有限公司 | Support structure of relay double-row steel sheet pile underwater deep foundation pit and construction method |
| CN102444142A (en) * | 2011-09-20 | 2012-05-09 | 新世纪建设集团有限公司 | Pile group column replacement expanded basement and construction method of same |
| CN102720201A (en) * | 2012-07-02 | 2012-10-10 | 中建三局第二建设工程有限责任公司 | Support change construction building method implemented by using main structure of building |
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