CN105951840B - Building foundation pit steel support structure - Google Patents

Building foundation pit steel support structure Download PDF

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Publication number
CN105951840B
CN105951840B CN201610291289.6A CN201610291289A CN105951840B CN 105951840 B CN105951840 B CN 105951840B CN 201610291289 A CN201610291289 A CN 201610291289A CN 105951840 B CN105951840 B CN 105951840B
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China
Prior art keywords
support
support tube
foundation pit
embedded board
end plate
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CN201610291289.6A
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CN105951840A (en
Inventor
胡焕
胡琦
金勇�
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Dongtong Geotechnical Science And Technology Inc
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DONGTONG GEOTECHNICAL TECHNOLOGY (HANGZHOU) Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses a kind of building foundation pit steel support structure, aim to solve the problem that existing foundation ditch supporting construction needs support replacement in work progress, add construction procedure and construction cost, construction speed is influenceed to a certain extent, and it can not be found in time when steel pipe support overloads, steel pipe support easily occurs deforming and supporting unstable phenomenon, or even causes foundation ditch collapse accident, causes the deficiency of serious consequence.The invention includes support tube, is connected to the support at support tube both ends, on support end plate is provided with support tube connection end, end plate is detachably connected with support tube, the support other end is provided with embedded board, embedded board connection is supported on foundation ditch inwall, the adjusting pad and crumple ring of annular is provided between end plate and support tube, crumple ring is in hollow structure, crumple ring discharges gas built with color powder and with odorous high pressure, and the inside and outside side wall of crumple ring is in bellows-like structure.

Description

Building foundation pit steel support structure
Technical field
The present invention relates to a kind of Base hole supporting technology, more specifically, it relates to a kind of building foundation pit steel for being easy to construction Supporting construction.
Background technology
At present, the foundation ditch of building or structures, needs to be supported, typically uses 609 steel pipe supports, steel pipe before excavation It is supported by angle brace and straight support.When excavation of foundation pit on building wall by foundation ditch on earth, it is necessary to come, when reaching Support Position, it is necessary to By supporting removal, foundation ditch wall is built by laying bricks or stones to continue up.At this moment, it is necessary to install a temporary support below support, build It is upper to be referred to as " support replacement ".The form of construction work of this support replacement adds construction procedure and construction cost, influences construction to a certain extent Progress.The bearing capacity of steel pipe support is that within the specific limits, and steel pipe support both ends are influenceed by practice of construction, and it bears Load be unstable, steel pipe support easily occurs deforming and supporting unstable phenomenon when overload occurs, or even causes foundation ditch Collapse accident, cause serious consequence.
Chinese patent notification number CN203834488U, a kind of building foundation pit supporting construction is disclosed, including be adjacent to Foundation Pit The steel plate of wall and the supporting device between steel plate is shored, the supporting device includes steel pipe, screw mandrel and nut, described nut Internal diameter be less than the internal diameter of steel pipe, the external diameter of nut is more than the external diameter of steel pipe;Match somebody with somebody and stretch with nut thread in described screw mandrel one end Enter in steel pipe, the other end shores steel plate, and the other end of steel pipe shores the steel plate of opposite side.The building foundation pit support of the present invention Structure, having by the cooperation whole building foundation ditch supporting construction of steel plate, steel pipe, screw mandrel and nut prevents foundation ditch from collapsing Function, while again have it is simple in construction, easy to disassemble and adjustment the characteristics of.But support replacement is needed in work progress, add Construction procedure and construction cost, influence construction speed to a certain extent, can not be found in time when steel pipe support overloads, Steel pipe support easily occurs deforming and supporting unstable phenomenon, or even causes foundation ditch collapse accident, causes serious consequence.
The content of the invention
Instant invention overcomes existing foundation ditch supporting construction to need support replacement in work progress, adds construction procedure and applies Work cost, construction speed is influenceed to a certain extent, and can not be found in time when steel pipe support overloads, steel pipe support Easily occur deforming and support unstable phenomenon, or even cause foundation ditch collapse accident, cause the deficiency of serious consequence, there is provided one Kind building foundation pit steel support structure, support replacement is not needed in work progress, support replacement construction procedure is eliminated, reduces and be constructed into This, ensure that construction speed, and can be found in time when steel pipe support overloads, and quickly to be handled, prevent Steel pipe support occurs deforming and supports the phenomenon of shakiness, avoids causing foundation ditch collapse accident.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme:A kind of building foundation pit steel support structure, bag Include support tube, be connected to the support at support tube both ends, end plate is provided with support tube connection end on support, end plate is removable with support tube Connection is unloaded, the support other end is provided with embedded board, and embedded board connection is supported on foundation ditch inwall, is provided between end plate and support tube The adjusting pad and crumple ring of annular, crumple ring is in hollow structure, and crumple ring is released built with color powder and with odorous high pressure Deflate, the inside and outside side wall of crumple ring is in bellows-like structure.
Support tube both ends connect upper bracket, are then supported between two foundation ditch inwalls, are used before stretching in end plate position Jack carries out pretension, two stands is tightly extended around on foundation ditch inwall, then selects the adjusting pad of suitable thickness closely to pacify Between support tube and crumple ring, end plate is connected with support tube and tightened together, finally shed jack, make entirely to support Structure is firmly supported between foundation ditch inwall.Excavation of foundation pit is completed during building side wall by laying bricks or stones, during close to backing positions, is not required to Support replacement is wanted, directly support can be cast in side wall.After foundation ditch side wall casting complete, under support tube is dismantled from support Come, and only stay in support in foundation ditch side wall.Support replacement is not needed in work progress, eliminates support replacement construction procedure, is reduced Construction cost, ensure that construction speed.Crumple ring is set between support and support tube, when support tube support is overloaded When, crumple ring crumple buffering energy-absorbing, avoid support tube from being occurred deforming by instant impact effect and support shakiness to be showed As avoiding causing foundation ditch collapse accident.Crumple ring crumple energy-absorbing is deformed, and so as to breakage occur, gas is carried in crumple ring The high pressure release gas and color powder of taste outwards spray, and operating personnel can soon have found that support tube occurs by smell and vision Failure, so as to carry out reinforcing maintenance to foundation ditch support in time, avoid support tube long term overloading and foundation pit collapse etc. occur Security incident.This building foundation pit steel support structure, does not need support replacement in work progress, eliminates support replacement construction procedure, drop Low construction cost, ensure that construction speed, and can be found in time when steel pipe support overloads, quickly to carry out Processing, prevent steel pipe support from occurring deforming and support the phenomenon of shakiness, avoid causing foundation ditch collapse accident.
Preferably, being sealed and installed with several relief piston bars on crumple ring outer wall, relief piston bar front end is arranged on Inside hollow crumple ring, relief piston rod rear end is arranged on outside crumple ring.
Relief piston bar is rotated, by relief piston bar front end to moving inside crumple ring, so as to reduce gas inside crumple ring The volume that body takes, increase the pressure inside crumple ring, add the bearing capacity of crumple ring;On the contrary, rotate backward pressure regulation work Stopper rod, by relief piston rod rear end to moving outside crumple ring, so as to increase the volume of crumple ring internal gas occupancy, reduce and burst Pressure inside contracting ring, reduce the bearing capacity of crumple ring.The bearing capacity of crumple ring is adjusted by relief piston bar, it is full The requirement of the different rated load of support tube, flexible and convenient to use under sufficient varying environment.
Preferably, high pressure release gas is liquefied ammonia.There is strong impulse smell after ammonia release, be easy to discover in time. And ammonia is dissolved in water, crumple ring can be poured onto ammonia leakage position after leaking out ammonia with water, avoid ammonia from polluting environment.
Preferably, level meter is installed close to centre position on support tube.Level meter energy when support tube is installed Support tube is arranged on horizontal level, ensure the stationarity of support.
Preferably, support also includes sealing piece and some pieces of floors, floor both ends fasten with embedded board and end plate respectively Connection, sealing piece are arranged between embedded board and end plate, and sealing piece be arranged in parallel with embedded board.Section is in all floors together " king " character form structure.Floor improves the overall construction intensity of support, improves the stationarity of support.Sealing piece prevents side wall from leaking Water.
Preferably, support tube end is provided with adpting flange, several are equipped between adpting flange and support pipe outer wall Reinforcement.Reinforcement adds the bonding strength of adpting flange, the convenient connection with end plate of adpting flange.
Preferably, be uniformly connected with several fastening bolts between end plate and support tube end, end plate and support tube it Between pass through fastening bolt connection fastening.It is attached using fastening bolt, convenient disassembly, connection is reliable.
Preferably, support tube axis is vertically arranged with embedded board, the embedded board on two stands is connected to foundation ditch and set relatively On two madial walls put.This foundation ditch supporting construction is supported on two madial walls that foundation ditch is oppositely arranged, and supporting & stablizing is reliable.
Another scheme, support tube axis are obliquely installed with embedded board, and it is adjacent that the embedded board on two stands is connected to foundation ditch On two madial walls set.This foundation ditch supporting construction is supported on two madial walls that foundation ditch is disposed adjacent, and ensures foundation ditch corner Position volume support strength.
Compared with prior art, the beneficial effects of the invention are as follows:Building foundation pit steel support structure, is not required in work progress Support replacement is wanted, support replacement construction procedure is eliminated, reduces construction cost, ensure that construction speed, and when steel pipe support occurred It can in time be found during load, quickly to be handled, prevent steel pipe support from occurring deforming and support the phenomenon of shakiness, avoid Cause foundation ditch collapse accident.
Brief description of the drawings
Fig. 1 is the structural representation of embodiments of the invention 1;
Fig. 2 is the close-up schematic view of the present invention;
Fig. 3 is the side view of the support of the present invention;
Fig. 4 is the structural representation of the crumple ring of the present invention;
Fig. 5 is the structural representation of embodiments of the invention 2;
In figure:1st, support tube, 2, support, 3, end plate, 4, embedded board, 5, adjusting pad, 6, crumple ring, 7, relief piston bar, 8th, regulation handle, 9, level meter, 10, sealing piece, 11, floor, 12, adpting flange, 13, reinforcement, 14, fastening bolt, 15, enclose Revetment, 16, side wall.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is further described specifically:
Embodiment 1:A kind of building foundation pit steel support structure(Referring to accompanying drawing 1 to 4), including support tube 1, it is connected to support tube The support 2 at both ends, level meter 9 is installed close to centre position on support tube.End plate 3 is provided with support tube connection end on support, End plate is detachably connected with support tube, and the support other end is provided with embedded board 4, and embedded board connection is supported on foundation ditch inwall, end plate The adjusting pad 5 and crumple ring 6 of annular are installed between support tube, crumple ring is in hollow structure, the built-in chromatic colour powder of crumple ring End and with odorous high pressure discharge gas, high pressure release gas be liquefied ammonia.The inside and outside side wall of crumple ring is in bellows-like structure.Burst Several relief piston bars 7 are sealed and installed with contracting ring outer wall, relief piston bar is uniformly arranged on the ring outer wall of crumple ring one.Adjust Pressure piston rod front end is arranged on inside hollow crumple ring, and relief piston rod rear end is arranged on outside crumple ring.Relief piston bar Rear end is fastenedly connected with regulation handle 8.Support also includes sealing piece 10 and some pieces of floors 11, floor both ends respectively with embedded board It is fastenedly connected with end plate by the way of welding, sealing piece is arranged between embedded board and end plate, and sealing piece is parallel with embedded board Set.Section is in " king " character form structure to all floors together.Support tube end is provided with adpting flange 12, adpting flange and support tube Several reinforcements 13 are equipped between outer wall.Several fastening bolts 14 are uniformly connected between end plate and support tube end, Connected and fastened by fastening bolt between end plate and the adpting flange for supporting tube end.Support tube axis is vertical with embedded board to be set Put, the embedded board on two stands is connected on two madial walls that foundation ditch is oppositely arranged.
Support tube both ends connect upper bracket, are then supported between two foundation ditch inwalls, are used before stretching in end plate position Jack carries out pretension, two stands is tightly extended around on the inwall of foundation pit enclosure wall 15, then selects the adjustment of suitable thickness Pad is installed tightly between support tube and crumple ring, and end plate is connected with support tube and tightened together, finally sheds jack, is made Whole supporting construction is firmly supported between foundation ditch inwall.Excavation of foundation pit is completed during building side wall 16 by laying bricks or stones, close to support During position, it is not necessary to support replacement, directly support can be cast in side wall.After foundation ditch side wall casting complete, by support tube from Disassemble on support, and only stay in support in foundation ditch side wall.Support replacement is not needed in work progress, support replacement is eliminated and applies Work step is rapid, reduces construction cost, ensure that construction speed.Crumple ring is set between support and support tube, when support tube branch When overhanging existing overload, crumple ring crumple buffering energy-absorbing, support tube is avoided to be occurred deforming and prop up by instant impact effect Unstable phenomenon is supportted, avoids causing foundation ditch collapse accident.Crumple ring crumple energy-absorbing is deformed, so as to breakage, crumple ring occur The odorous high pressure release gas of interior band and color powder are outwards sprayed, and operating personnel be able to can be had found soon by smell and vision Support tube breaks down, so as to carry out reinforcing maintenance to foundation ditch support in time, avoids support tube long term overloading and occurs The security incidents such as foundation pit collapse.This building foundation pit steel support structure, does not need support replacement in work progress, eliminates support replacement and applies Work step is rapid, reduces construction cost, ensure that construction speed, and can be found in time when steel pipe support overloads, with Just quickly handled, prevent steel pipe support from occurring deforming and support the phenomenon of shakiness, avoid causing foundation ditch collapse accident.
Embodiment 2:A kind of building foundation pit steel support structure(Referring to accompanying drawing 5), its structure is similar to Example 1, mainly not With point in the present embodiment support tube axis be obliquely installed with embedded board, the embedded board on two stands is connected to that foundation ditch is adjacent to be set On two madial walls put.Other structures are same as Example 1.This foundation ditch supporting construction is supported in foundation ditch is disposed adjacent two In side wall, ensure foundation ditch angle position volume support strength.
Embodiment described above is two kinds of preferable schemes of the present invention, not the present invention is made any formal Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.

Claims (10)

1. a kind of building foundation pit steel support structure, it is characterized in that, including support tube, the support for being connected to support tube both ends, support Upper and support tube connection end is provided with end plate, and end plate is detachably connected with support tube, and the support other end is provided with embedded board, and embedded board connects Connect and be supported on foundation ditch inwall, the adjusting pad and crumple ring of annular are installed, crumple ring is in hollow knot between end plate and support tube Structure, crumple ring discharge gas built with color powder and with odorous high pressure, and the inside and outside side wall of crumple ring is in corrugated tube shape knot Structure.
2. building foundation pit steel support structure according to claim 1, it is characterized in that, if being sealed and installed with crumple ring outer wall Dry relief piston bar, relief piston bar front end are arranged on inside hollow crumple ring, and relief piston rod rear end is arranged on crumple Outside ring.
3. building foundation pit steel support structure according to claim 1, it is characterized in that, high pressure release gas is liquefied ammonia.
4. building foundation pit steel support structure according to claim 1, it is characterized in that, installed on support tube close to centre position There is level meter.
5. building foundation pit steel support structure according to claim 1, it is characterized in that, support also includes sealing piece and some pieces Floor, floor both ends are fastenedly connected with embedded board and end plate respectively, and sealing piece is arranged between embedded board and end plate, sealing piece with Embedded board be arranged in parallel.
6. building foundation pit steel support structure according to claim 5, it is characterized in that, section is in " king " word to all floors together Shape structure.
7. building foundation pit steel support structure according to claim 1, it is characterized in that, support tube end is provided with adpting flange, Several reinforcements are equipped between adpting flange and support pipe outer wall.
8. building foundation pit steel support structure according to claim 1, it is characterized in that, it is uniform between end plate and support tube end Several fastening bolts are connected with, is connected and fastened by fastening bolt between end plate and support tube.
9. the building foundation pit steel support structure according to claim 1 to 8 any one, it is characterized in that, support tube axis with Embedded board is vertically arranged, and the embedded board on two stands is connected on two madial walls that foundation ditch is oppositely arranged.
10. the building foundation pit steel support structure according to claim 1 to 8 any one, it is characterized in that, support tube axis with Embedded board is obliquely installed, and the embedded board on two stands is connected on two madial walls that foundation ditch is disposed adjacent.
CN201610291289.6A 2016-05-03 2016-05-03 Building foundation pit steel support structure Active CN105951840B (en)

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CN105951840B true CN105951840B (en) 2017-12-15

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108677963B (en) * 2018-05-23 2024-06-21 中铁第四勘察设计院集团有限公司 Steel support stay joint structure for foundation pit engineering and construction method thereof
CN108824447A (en) * 2018-07-17 2018-11-16 芜湖芬特勘测服务有限公司 A kind of detachable support construction of deep basal pit
CN112726632A (en) * 2020-12-30 2021-04-30 广州勇诚科技有限公司 Building foundation pit steel supporting structure
CN112942366A (en) * 2021-02-02 2021-06-11 中国建筑第八工程局有限公司 Node structure with steel support serving as steel support and construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008031740A (en) * 2006-07-28 2008-02-14 Raiteku:Kk Guard fence against collapsed sediment
CN203032592U (en) * 2013-01-27 2013-07-03 赵立地 Novel safeguarding bumper
CN103603361A (en) * 2013-12-06 2014-02-26 黄河水利职业技术学院 Compressible device of deep foundation pit horizontal inner support
CN203808080U (en) * 2014-05-05 2014-09-03 中铁十九局集团电务工程有限公司 Foundation pit protecting sleeve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008031740A (en) * 2006-07-28 2008-02-14 Raiteku:Kk Guard fence against collapsed sediment
CN203032592U (en) * 2013-01-27 2013-07-03 赵立地 Novel safeguarding bumper
CN103603361A (en) * 2013-12-06 2014-02-26 黄河水利职业技术学院 Compressible device of deep foundation pit horizontal inner support
CN203808080U (en) * 2014-05-05 2014-09-03 中铁十九局集团电务工程有限公司 Foundation pit protecting sleeve

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Address after: 310000 Room 1101, 6 Blocks, Chuangzhi Green Valley Development Center, Jianggan District, Hangzhou City, Zhejiang Province

Patentee after: Dongtong Geotechnical Science and Technology Inc.

Address before: 310000 East Hangzhou Building, 59 Chengxing Road, Jianggan District, Hangzhou City, Zhejiang Province, 27th Floor

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Denomination of invention: Steel supporting structure of building foundation pit

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