CN105862881A - Recoverable foundation pit support structure with screw holes - Google Patents

Recoverable foundation pit support structure with screw holes Download PDF

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Publication number
CN105862881A
CN105862881A CN201610395275.9A CN201610395275A CN105862881A CN 105862881 A CN105862881 A CN 105862881A CN 201610395275 A CN201610395275 A CN 201610395275A CN 105862881 A CN105862881 A CN 105862881A
Authority
CN
China
Prior art keywords
plate body
screw
plate
connecting plate
plush copper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610395275.9A
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Chinese (zh)
Inventor
王哲
胡奇超
严熙
冯斌
许斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
Original Assignee
Zhejiang University of Technology ZJUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN201610395275.9A priority Critical patent/CN105862881A/en
Publication of CN105862881A publication Critical patent/CN105862881A/en
Pending legal-status Critical Current

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Classifications

    • 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)
  • Revetment (AREA)

Abstract

Provided is a recoverable foundation pit support structure with screw holes. An inner cavity of a first plate and an inner cavity of a second plate are through in the vertical direction. The left side and the right side of the first plate are concave inwards to form first grooves. The left side and the right side of the second plate are provided with first convex heads protruding outwards. The first plate and the second plate are detachably connected through the first grooves and the first convex heads. The left side and the right side of the first plate are provided with the first screw holes, the left side and the right side of the second plate are provided with the second screw holes, the first screw holes and the second screw holes are horizontally through, and the first plate and the second plate are screwed together after bolts penetrate through the first screw holes and the second screw holes. The adjacent plates are connected through concave-convex embedment and are further reinforced through bolt connection, and support strength is high. By means of convex-concave embedment connection, the overall seepage prevention of the structure is high, and obvious seams do not occur.

Description

A kind of recyclable foundation pit enclosure structure with screw
Technical field
The present invention relates to a kind of recyclable foundation pit enclosure structure with screw.
Background technology
Along with the development of the underground space, constructing for convenience, the depth requirements of foundation ditch is also got over Come the highest.The excavation of foundation ditch typically requires some building enclosures to improve overall the stablizing of foundation ditch Property.
The Chinese patent of Publication No. CN202559363U discloses a kind of Underground Steel even Continuous wall base pit supporting construction, several between the stake being arranged parallel between H profile steel respectively Connected by front-seat steel sheet pile, heel row steel sheet pile, front-seat steel sheet pile, heel row steel sheet pile, adjacent Inter-pile soil is formed between H profile steel between two stakes.Although it is overall that this invention can increase support system Rigidity, but component itself is the most complicated, the junction rigidity of each component is relatively low, easily Foundation ditch is caused locally to destroy.
The Chinese patent of Publication No. CN202610806U discloses a kind of H profile steel and goes along with sb. to guard him knot Structure, the web of H profile steel one end has been respectively provided on two sides with topping anvil, the wing plate of H profile steel one end On be provided with a word length hole vertically, be connected to by connecting plate between two adjacent H profile steel Together.Though it is high that this steel building enclosure entirety goes along with sb. to guard him intensity, good stability, but junction Waterproof ability is the poorest, easily causes foundation ditch infiltration.
Summary of the invention
For overcoming existing the problems referred to above, the present invention provide one, quick construction, integral rigidity big, The recyclable foundation ditch with screw that component is recyclable, overall performance is excellent and water-impervious performance is good encloses Protection structure.
The technical solution used in the present invention is:
A kind of recyclable foundation pit enclosure structure with screw, including the first plate body being vertically arranged With the second plate body, and the inner chamber of the first plate body and the second plate body is the most through;
The left and right sides of the first plate body caves inward and forms the first groove, the left and right two of the second plate body Side has the first outwardly plush copper, the first plate body and the second plate body by the first groove and the One plush copper removably connects;
The left and right sides of the first plate body is provided with the first screw, and the left and right sides of the second plate body is provided with Two screws, the first screw and the second screw level are through, and bolt passes the first screw and the second spiral shell First plate body and the second plate body are screwed together by hole, with further by strong first plate body and second The bonding strength of plate body.
Further, also including turning connecting plate, described first plate body and the second plate body are in corner Being connected by turning connecting plate, the front facade of described turning connecting plate is provided with and the first recess The second plush copper closed, the side of described turning connecting plate is provided with second matched with the first plush copper Groove.
Or, also including turning connecting plate, described first plate body and the second plate body are logical in corner Crossing turning connecting plate to be connected, the side of described turning connecting plate is provided with and the first fit depressions Second plush copper, it is recessed that the front facade of described turning connecting plate is provided with second matched with the first plush copper Groove.
Further, the angle of the second plush copper and the second groove is 90 °.
Further, described first screw is arranged vertically at the boss of the first groove both sides On, described second screw is arranged vertically on the side of the first plush copper both sides.
Or, described first screw is arranged vertically at the bottom land of the first groove, and described Two screws are arranged vertically on the convex surface of the first plush copper.
Further, on the connecting plate of described turning, corresponding first screw and the second screw are respectively equipped with Three screws and the 4th screw.
Beneficial effects of the present invention is embodied in:
Adjacent plate body is all by concavo-convex fitting connection, and can be bolted and add further Gu, go along with sb. to guard him intensity high;And water-impervious performance that concavo-convex fitting connection makes the present invention overall is strong, Do not have obvious gap.
The present invention is low for the requirement in place, is applicable to most of base pit engineering, is suitable for Property is good, and globality is strong;The equal recoverable of plate body, greatly reduces the cost of foundation pit enclosure, Low-carbon environment-friendly.
Accompanying drawing explanation
Fig. 1 is the first plate body and the structural representation of the second plate body.
Fig. 2 is the structural representation of turning connecting plate.
The structural representation that Fig. 3 is the first plate body and the second plate body is connected.
Fig. 4 is the structural representation that the first plate body, the second plate body are connected with turning connecting plate.
Detailed description of the invention
Referring to the drawings, a kind of recyclable foundation pit enclosure structure with screw, including being vertically arranged The first plate body 1 and the second plate body 2, and the first plate body 1 and the equal edge of inner chamber of the second plate body 2 Vertical direction is through, in order to make earth enter the first plate body 1 and the during the press-in soil body The inner chamber of two plate bodys 2;
The left and right sides of the first plate body 1 caves inward and forms the first groove 11, the second plate body 2 The left and right sides there is the first outwardly plush copper 21, the first plate body 1 and the second plate body 2 Realize removably connecting by the first groove 11 and the first plush copper 21;
The left and right sides of the first plate body 1 is provided with the first screw 4, the left and right sides of the second plate body 2 Being provided with the second screw 5, the first screw 4 and the second screw 5 level are through, and bolt passes first First plate body 1 and the second plate body 2 are screwed together, to enter one by screw 4 and the second screw 5 Step is by strong first plate body 1 and the bonding strength of the second plate body 2;
The top of the first plate body 1 and the top of the second plate body 2 are equipped with cornical 3, described cornical In 3 cavitys being horizontally set on the first plate body 1 and the second plate body 2, and the two ends of cornical 3 are solid It is scheduled on the internal face of the first plate body 1 inner chamber or the second plate body 2 inner chamber;
Before and after first plate body 1, before and after two sides, the second plate body 2, two sides is equipped with through rising Pull out hole 6.
Present invention additionally comprises turning connecting plate 7, described first plate body 1 and the second plate body 2 are turning Crook is connected by turning connecting plate 7, and the front facade of described turning connecting plate 7 is provided with and first The second plush copper 72 that groove 11 matches, the side of described turning connecting plate 7 is provided with and first The second groove 71 that plush copper 21 matches;Or, the second plush copper 72 is arranged on turning and connects The side of plate 7, the second groove 71 is arranged on the front facade of turning connecting plate 7.
The angle of the second plush copper 72 and the second groove 71 is 90 °.
Described first screw 4 is arranged vertically on the boss of the first groove 11 both sides, Described second screw 5 is arranged vertically on the side of the first plush copper 21 both sides.
Or, described first screw 4 is arranged vertically at the bottom land of the first groove 11, Described second screw 5 is arranged vertically on the convex surface of the first plush copper 21.
On described turning connecting plate 7, corresponding first screw 4 and the second screw 5 are respectively equipped with the 3rd Screw 9 and the 4th screw 8.
The top of described turning connecting plate 7 also is provided with cornical 3, and cornical 3 is horizontally set on turning In the cavity of connecting plate 7, and the two ends of cornical 7 are fixed on the inwall of turning connecting plate inner chamber;
Before and after described turning connecting plate 7, two facades also are provided with rising of symmetry and pull out hole 6.
The two ends of described cornical 3 are fixed on the first plate body the 1, second plate body 2 or turning connecting plate Before and after 7 on the back side of two facades.And cornical 3 distance the first plate body the 1, second plate body 2 or turn The optimal distance at angle connecting plate 7 top is 0.5m.
On first plate body the 1, second plate body 2 and turning connecting plate 7 rise pull out hole 6 be easy to reclaim Time, insert to pull out and used equipment.
Cornical 3 is welded on first plate body the 1, second plate body 2 and turning connecting plate 7, both may be used To strengthen the first plate body the 1, second plate body 2 and intensity of turning connecting plate 7, reduce by the first plate Body the 1, second plate body 2 and turning connecting plate 7 deform in pressurized process, when also allowing for reclaiming, Put and pulled out with rope, it is simple to risen and pull out.
In Excavation Process, first by special several the first plate body 1 and second plate bodys 2 Alternately it is pressed into the periphery needing excavation pit, the first plate body 1 and the press-in of the second plate body 2 bottom The degree of depth exceed foundation depth, the first adjacent plate body 1 and the second plate body 2 are by concavo-convex chimeric Connect into an entirety, and be bolted the most fixing.Around the corner, turning is used Connecting plate 7 realizes the first plate body 1 and the connection of turning round of the second plate body 2.Treat that base pit engineering terminates Time, first plate body the 1, second plate body 2 and turning connecting plate 7 all can be extracted and recycle.
The present invention has simple in construction, it is simple to processing and the advantage of construction and installation, and the first plate Body the 1, second plate body 2 and turning connecting plate 7 immediately just can play effect after being pressed into the soil body, Stability is provided for foundation ditch.
Cornical 3 within first plate body the 1, second plate body 2 and turning connecting plate 7 also improves The intensity of self, decrease first plate body the 1, second plate body 2 and turning connecting plate 7 under press With the deformation risen during pulling out.
First plate body the 1, second plate body 2 and turning connecting plate 7 are all by concavo-convex fitting connection, And it is bolted reinforcing further, go along with sb. to guard him intensity high;And concavo-convex fitting connection makes this The water-impervious performance of bright entirety is strong, does not haves obvious gap.
The present invention is low for the requirement in place, is applicable to most of base pit engineering, is suitable for Property is good, and globality is strong;Special steel beam column and connector is recyclable reuses, greatly reduces The cost of foundation pit enclosure, low-carbon environment-friendly.
The construction method of installation of the present invention is as follows:
1) static pressure construction: the first plate body the 1, second plate body 2 and size of turning connecting plate 7 With shape by practical situation and design requirement design, needing to arrange the position of foundation pit enclosure structure The first special plate body 1 and the second plate body 2 are alternately pressed into according to static-pressure construction method the soil body In, and guarantee that the first plush copper 21 of the second plate body 2 is inserted into the first groove of the first plate body 1 In 11, together with adjacent second plate body 2 is embedded in the first plate body 1, constitute an entirety; The static pressure compression distance of the first plate body 1 and the second plate body 2 determines according to specification and design.
2) bolt connects: bolt penetrates the first screw 4 and the second plate on the first plate body 1 The second screw 5 on body 2, is twisted the first adjacent plate body 1 and the second plate body 2 by bolt The most together, several first plate bodys 1 and the second plate body 2 form a more firm entirety.
3) corner connects: static pressure press-in turning connecting plate 7 around the corner, to pass through turning Connecting plate 7 realizes the first plate body 1 and the connection of turning round of the second plate body 2, by turning connecting plate 7 The second plush copper 72 embed in the first groove 11 of the first plate body 1, the first of the second plate body 2 Plush copper 21 embeds in the second groove 8 of turning connecting plate 7, because the second plush copper 72 and second is recessed The angle of groove 71 is 90 °, and the first plate body 1 and the second plate body 2 achieve vertical connection;First Plate body the 1, second plate body 2 and turning connecting plate 7 are fitting to connection and form an entirety.
4) corner adds strong ties: the first screw 4 He being penetrated by bolt on the first plate body 1 The 3rd screw 9 on turning connecting plate 7, meanwhile, penetrates on the second plate body 1 by bolt The 4th screw 8 on two screws 5 and turning connecting plate 7, by bolt the first plate body 1, Turning connecting plate 7 and the second plate body 2 are screwed together, the first plate body 1, turning connecting plate 7 Connect further with the second plate body 2, form a more firm entirety.
4) complete whole Foundation Pit Support Engineering according to aforementioned four step, form foundation pit enclosure body System.
5) after Foundation Pit Support Engineering terminates, by rise pull out arrange insert be previously provided with rise pull out in hole Or rope is enclosed within cornical 3, by the first plate body 1, turning connecting plate 7 and the second plate body 2 extract recovery one by one.
Content described in this specification embodiment is only the example of the way of realization to inventive concept Lifting, protection scope of the present invention is not construed as being only limitted to the concrete form of embodiment statement, Protection scope of the present invention also and can be thought according to present inventive concept in those skilled in the art The equivalent technologies means arrived.

Claims (7)

1. the recyclable foundation pit enclosure structure with screw, it is characterised in that: include erecting Straight the first plate body arranged and the second plate body, and the inner chamber of the first plate body and the second plate body is all along perpendicular Nogata is to through;
The left and right sides of the first plate body caves inward and forms the first groove, the left and right two of the second plate body Side has the first outwardly plush copper, the first plate body and the second plate body by the first groove and the One plush copper removably connects;
The left and right sides of the first plate body is provided with the first screw, and the left and right sides of the second plate body is provided with Two screws, the first screw and the second screw level are through, and bolt passes the first screw and the second spiral shell First plate body and the second plate body are screwed together by hole, with further by strong first plate body and second The bonding strength of plate body.
A kind of recyclable foundation pit enclosure structure with screw, It is characterized in that: also including turning connecting plate, described first plate body and the second plate body are in corner Being connected by turning connecting plate, the front facade of described turning connecting plate is provided with and the first recess The second plush copper closed, the side of described turning connecting plate is provided with second matched with the first plush copper Groove.
A kind of recyclable foundation pit enclosure structure with screw, It is characterized in that: also including turning connecting plate, described first plate body and the second plate body are in corner Being connected by turning connecting plate, the side of described turning connecting plate is provided with and the first fit depressions The second plush copper, the front facade of described turning connecting plate is provided with second matched with the first plush copper Groove.
A kind of recyclable foundation pit enclosure with screw is tied Structure, it is characterised in that: the angle of the second plush copper and the second groove is 90 °.
A kind of recyclable foundation pit enclosure structure with screw, It is characterized in that: described first screw is arranged vertically at the boss of the first groove both sides On, described second screw is arranged vertically on the side of the first plush copper both sides.
A kind of recyclable foundation pit enclosure structure with screw, It is characterized in that: described first screw is arranged vertically at the bottom land of the first groove, described Second screw is arranged vertically on the convex surface of the first plush copper.
7. a kind of recyclable foundation pit enclosure with screw as described in claim 5 or 6 is tied Structure, it is characterised in that: on the connecting plate of described turning, corresponding first screw and the second screw set respectively There are the 3rd screw and the 4th screw.
CN201610395275.9A 2016-06-06 2016-06-06 Recoverable foundation pit support structure with screw holes Pending CN105862881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610395275.9A CN105862881A (en) 2016-06-06 2016-06-06 Recoverable foundation pit support structure with screw holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610395275.9A CN105862881A (en) 2016-06-06 2016-06-06 Recoverable foundation pit support structure with screw holes

Publications (1)

Publication Number Publication Date
CN105862881A true CN105862881A (en) 2016-08-17

Family

ID=56675985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610395275.9A Pending CN105862881A (en) 2016-06-06 2016-06-06 Recoverable foundation pit support structure with screw holes

Country Status (1)

Country Link
CN (1) CN105862881A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2260103Y (en) * 1996-08-05 1997-08-20 郭同元 Pile
KR100743474B1 (en) * 2007-05-21 2007-07-30 (주)한터인종합건축사사무소 Earth of building land-side protection wall structure
CN101956454A (en) * 2010-10-16 2011-01-26 徐秀良 Hollow filled plastic-steel building template and composite structure
CN103938614A (en) * 2014-05-05 2014-07-23 张武 Strengthening type prestressed concrete corrugated plate pile
CN205975623U (en) * 2016-06-06 2017-02-22 浙江工业大学 Recoverable foundation pit retaining structure with screw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2260103Y (en) * 1996-08-05 1997-08-20 郭同元 Pile
KR100743474B1 (en) * 2007-05-21 2007-07-30 (주)한터인종합건축사사무소 Earth of building land-side protection wall structure
CN101956454A (en) * 2010-10-16 2011-01-26 徐秀良 Hollow filled plastic-steel building template and composite structure
CN103938614A (en) * 2014-05-05 2014-07-23 张武 Strengthening type prestressed concrete corrugated plate pile
CN205975623U (en) * 2016-06-06 2017-02-22 浙江工业大学 Recoverable foundation pit retaining structure with screw

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Application publication date: 20160817

RJ01 Rejection of invention patent application after publication