CN104032755A - External corner connector of foundation pit supporting system - Google Patents
External corner connector of foundation pit supporting system Download PDFInfo
- Publication number
- CN104032755A CN104032755A CN201410255523.0A CN201410255523A CN104032755A CN 104032755 A CN104032755 A CN 104032755A CN 201410255523 A CN201410255523 A CN 201410255523A CN 104032755 A CN104032755 A CN 104032755A
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- China
- Prior art keywords
- shaped steel
- plate
- welded
- gripper shoe
- connecting hole
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 136
- 239000010959 steel Substances 0.000 claims abstract description 136
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000011514 reflex Effects 0.000 claims abstract description 4
- 230000000875 corresponding Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Abstract
The invention discloses an external corner connector of a foundation pit supporting system. The external corner connector comprises two H-shaped section steel of which two ends are connected in a welding manner, the external ends of the two H-shaped section steel are fixedly welded with square flange plates, and a first support plate is welded on the side walls at a reflex angle of the two H-shaped section steel, and a first connecting plate of which the shape is matched with that of the first support plate is welded on the other side, far away from the H-shaped section steel, of the first support plate; a flange plate is welded between two ends of the first connecting plate and the first support plate and the outer walls of flanges of the H-shaped section steel, a second support plate which is on the same plane with the first support plate is fixedly welded on the outer side wall of the first connecting plate, and a second connecting plate of which the shape is matched with that of the second support plate is welded on the other side, far away from the first connecting plate, of the second support plate; a flange plate is welded between two ends of the second connecting plate and the second support plate and the outer wall of the first connecting plate. The foundation pit supporting system is simultaneously connected with the three-layer steel beam type section steel on two sides of an external corner through the external corner connector, the connecting part is not easy to loose, and the connecting reliability is high.
Description
Technical field
The invention belongs to field of civil engineering, be specifically related to the supporting and protection structure of foundation ditch.
Background technology
The mode that existing pattern foundation pit supporting structure mode mostly adopts is that the surrounding at foundation ditch arranges reinforced concrete fortifield village purlin, in enclosing purlin, week is arranged netted steel pipe support again, when it is not enough, steel pipe consumption is large, install, remove trouble, and it is large to take up space, and is unfavorable for soil excavation in foundation ditch, can not to foundation pit side-wall, apply prestressing force well, support strength is low, conventionally can only increase support force by increasing the density of steel pipe layout; And during different pattern foundation pit supporting structure, need use the steel pipe of different size, steel pipe repeat usage is low, causes the costly of pattern foundation pit supporting structure.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existing for prior art, a kind of sound construction is provided, and install, remove the external corner connecting piece at foundation ditch external corner place easily.
For realizing the present invention's object, be achieved by the following technical solutions: a kind of external corner connecting piece of foundation pit support system, include the H shaped steel that two ends are weldingly connected, the web of two H shaped steel is in the same plane, between the length direction of the solder side of two H shaped steel and H shaped steel, become 85 degree angles, between two H shaped steel length directions, form 170 degree angles; The outer end of two H shaped steel is fixedly welded with foursquare flanged plate, between flanged plate and the web two sides of H shaped steel, is all vertically welded with floor; The sidewall that two H shaped steel is positioned at reflex angle is welded with first gripper shoe, the first gripper shoe comprises two support arms that are mutually 170 degree angles, the length of the H shaped steel that is shorter in length than homonymy of two support arms, the edge of a wing outer wall welding of the first gripper shoe and H shaped steel and the web isoplanar of the first gripper shoe and H shaped steel; The first gripper shoe is welded with first junction plate with its form fit away from the opposite side of H shaped steel; Between the edge of a wing outer wall of the two ends of the first junction plate, the first gripper shoe and H shaped steel, be welded with flanged plate, between flanged plate and the two sides of the first gripper shoe, be all welded with floor; The lateral wall of the first junction plate is fixedly welded with one and isoplanar the second gripper shoe of the first gripper shoe, the second gripper shoe also comprises two support arms that are mutually 170 degree angles, the length of the first gripper shoe support arm that is shorter in length than homonymy of two support arms, the second gripper shoe is welded with second junction plate with its form fit away from the opposite side of the first junction plate; Between the outer wall of the second junction plate, the second gripper shoe two ends and the first junction plate, be welded with flanged plate; On flanged plate, offer the first connecting hole group, the first connecting hole group includes four connecting holes with two row's two column distributions, and the distance between horizontal, longitudinal two adjacent connecting holes is 2a; A H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers a second connecting hole group, and the second connecting hole group comprises the connecting hole of two rows' three row, and laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The distance of two row's connecting holes and H shape steel web is a; Another H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers two the second connecting hole groups, and two the second connecting hole groups arrange along H shaped steel length direction; On the first junction plate, near H shaped steel one side that is provided with a second connecting hole group, offer a second connecting hole group, the first junction plate opposite side offers a 3rd connecting hole group, the 3rd connecting hole group comprises the connecting hole of two row's four row, laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The position of the H shaped steel that is provided with two connecting hole groups between two connecting hole groups is provided with the first gusset plate, the web of the first gusset plate and H shaped steel and edge of a wing vertical welding; On the joint face of two H shaped steel, be welded with the second gusset plate, all weld on web and the edge of a wing of the second gusset plate and two H shaped steel; Between the edge of a wing and the first junction plate of H shaped steel, be also welded with the second gusset plate between the first junction plate and the second junction plate, three the second gusset plates are positioned at isoplanar; In H shaped steel, the both sides of the second gusset plate are welded with the 3rd gusset plate, and the web of the 3rd gusset plate and H shaped steel and edge of a wing vertical welding are also welded with the 3rd gusset plate between the first junction plate and the edge of a wing outer wall of H shaped steel; With the 3rd gusset plate of the first junction plate welding, and homonymy with the 3rd gusset plate of H shape steel web welding in isoplanar; In H shaped steel, the corresponding position that is connected to the flanged plate on the first junction plate is welded with the 4th gusset plate, the web of the 4th gusset plate and H shaped steel and edge of a wing vertical welding.
Compared with prior art, the invention has the beneficial effects as follows: by an external corner connecting piece, can be simultaneously enclose purlin shaped steel with three layers of both sides, external corner place and be connected, junction is not easy to produce loosening, also can not produce distortion, and connection reliability is high.This external corner connecting piece criteria of right and wrong part, the purlin shaped steel that encloses being beneficial in the standard shape length of both sides, on-right angle position connects, and makes as far as possible many section bars can recycling, has reduced the cost of pattern foundation pit supporting structure.
Accompanying drawing explanation
Fig. 1 is the supporting and protection structure schematic diagram at foundation ditch external corner place.
Fig. 2 is the structural representation of external corner connecting piece.
Fig. 3 is the syndeton schematic diagram of two H shaped steel of external corner connecting piece.
Fig. 4 is the structural representation of the first gripper shoe.
Fig. 5 is the structural representation of the first junction plate.
Fig. 6 is the structural representation of the second gripper shoe.
Fig. 7 is the structural representation of the second junction plate.
Fig. 8 is the structural representation of flanged plate.
1, diaphragm wall; 2, corner is reinforced and is enclosed purlin shaped steel; 3, external corner connecting piece; 30, the first gusset plate; 31, H shaped steel; 32, flanged plate; 321, floor; 33, the first gripper shoe; 34, the first junction plate; 35, the second gripper shoe; 36, the second junction plate; 37, the second gusset plate; 38, the 3rd gusset plate; 39, the 4th gusset plate; 4, first encloses purlin shaped steel; 5, second encloses purlin shaped steel.
The specific embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is made a detailed explanation below.
According to shown in Fig. 1 to Fig. 8, the external corner connecting piece of a kind of foundation pit support system described in the present embodiment, include the H shaped steel 31 that two ends are weldingly connected, the web of two H shaped steel is in the same plane, between the length direction of the solder side of two H shaped steel and H shaped steel, become 85 degree angles, between two H shaped steel length directions, form 170 degree angles; The outer end of two H shaped steel is fixedly welded with foursquare flanged plate 32, between flanged plate and the web two sides of H shaped steel, is all vertically welded with floor 321; The sidewall that two H shaped steel is positioned at reflex angle is welded with first gripper shoe 33, the first gripper shoe comprises two support arms that are mutually 170 degree angles, the length of the H shaped steel that is shorter in length than homonymy of two support arms, the edge of a wing outer wall welding of the first gripper shoe and H shaped steel and the web isoplanar of the first gripper shoe and H shaped steel; The first gripper shoe is welded with first junction plate 34 with its form fit away from the opposite side of H shaped steel; Between the edge of a wing outer wall of the two ends of the first junction plate, the first gripper shoe and H shaped steel, be welded with flanged plate, between flanged plate and the two sides of the first gripper shoe, be all welded with floor; The lateral wall of the first junction plate is fixedly welded with one and isoplanar the second gripper shoe 35 of the first gripper shoe, the second gripper shoe also comprises two support arms that are mutually 170 degree angles, the length of the first gripper shoe support arm that is shorter in length than homonymy of two support arms, the second gripper shoe is welded with second junction plate 36 with its form fit away from the opposite side of the first junction plate; Between the outer wall of the second junction plate, the second gripper shoe two ends and the first junction plate, be welded with flanged plate; On flanged plate, offer the first connecting hole group, the first connecting hole group includes four connecting holes with two row's two column distributions, and the distance between horizontal, longitudinal two adjacent connecting holes is 2a; A H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers a second connecting hole group, and the second connecting hole group comprises the connecting hole of two rows' three row, and laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The distance of two row's connecting holes and H shape steel web is a; Another H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers two the second connecting hole groups, and two the second connecting hole groups arrange along H shaped steel length direction; On the first junction plate, near H shaped steel one side that is provided with a second connecting hole group, offer a second connecting hole group, the first junction plate opposite side offers a 3rd connecting hole group, the 3rd connecting hole group comprises the connecting hole of two row's four row, laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The position of the H shaped steel that is provided with two connecting hole groups between two connecting hole groups is provided with web and the edge of a wing vertical welding of the first gusset plate 30, the first gusset plates and H shaped steel; All weld on the web and the edge of a wing that on the joint face of two H shaped steel, are welded with the second gusset plate 37, the second gusset plates and two H shaped steel; Between the edge of a wing and the first junction plate of H shaped steel, between the first junction plate and the second junction plate, be also welded with 37, three the second gusset plates of the second gusset plate and be positioned at isoplanar; In H shaped steel, the both sides of the second gusset plate are welded with web and the edge of a wing vertical welding of the 3rd gusset plate 38, the three gusset plates and H shaped steel, between the first junction plate and the edge of a wing outer wall of H shaped steel, are also welded with the 3rd gusset plate 38; With the 3rd gusset plate of the first junction plate welding, and homonymy with the 3rd gusset plate of H shape steel web welding in isoplanar; In H shaped steel, the corresponding position that is connected to the flanged plate on the first junction plate is welded with web and the edge of a wing vertical welding of the 4th gusset plate 39, the four gusset plates and H shaped steel.The second described gusset plate is welded on the joint face of two H shaped steel, effectively increased the bonding strength of two H shaped steel link positions, the first described gripper shoe adopts the Plate Welding of a unitary construction on the edge of a wing of two H shaped steel sides, has increased like this torsional property of two H shaped steel link positions.
At the external angle position of foundation ditch, an external corner connecting piece 3 is installed and three layers of being bolted in external corner connecting piece both sides enclose purlin shaped steel, and is connected on external corner connecting piece two gusset purlin shaped steel two groups to support.
Described three layers are enclosed purlin shaped steel and are respectively corner and reinforce and enclose purlin shaped steel 2, first and enclose purlin shaped steel 4 and second and enclose purlin shaped steel 5, enclose purlin shaped steel and be H structural section; The flanged plate that purlin shaped steel end and H shaped steel end are enclosed in corner reinforcing is bolted, and the side wing edge that purlin shaped steel is enclosed in corner reinforcing is connected with diaphragm wall 1, and the side wing edge that purlin shaped steel is enclosed on the edge of a wing of opposite side and first is bolted; First encloses purlin shaped steel surpasses corner and reinforces the part of enclosing purlin shaped steel and be connected with underground connection wall, first encloses purlin shaped steel is bolted near the edge of a wing of end, one end and the edge of a wing of H shaped steel side, and the first flanged plate that encloses purlin shaped steel end and the first junction plate end is bolted; Second encloses purlin shaped steel and first encloses between the edge of a wing of purlin shaped steel and is bolted, second encloses purlin shaped steel is bolted near the edge of a wing and first junction plate of end, one end, and second encloses the end of purlin shaped steel and the flanged plate of the second junction plate end is bolted.
The both sides of described external corner connecting piece form step-like, and such first encloses purlin shaped steel and second encloses purlin shaped steel and all have two faces to be connected with external corner connecting piece, and bonding strength is high, and anti-twisting property is strong, has guaranteed the stability of foundation ditch external angle position supporting.
During installation, first installing angle is reinforced and to be enclosed purlin shaped steel, then external corner connecting piece is installed, and then installs successively first and encloses purlin shaped steel and second and enclose purlin shaped steel, encloses between purlin shaped steel and opposite side diaphragm wall installation to supportting subsequently second.During dismounting, be reversed constructing operation.
Claims (1)
1. the external corner connecting piece of a foundation pit support system, it is characterized in that: include the H shaped steel that two ends are weldingly connected, the web of two H shaped steel is in the same plane, between the length direction of the solder side of two H shaped steel and H shaped steel, become 85 degree angles, between two H shaped steel length directions, form 170 degree angles; The outer end of two H shaped steel is fixedly welded with foursquare flanged plate, between flanged plate and the web two sides of H shaped steel, is all vertically welded with floor; The sidewall that two H shaped steel is positioned at reflex angle is welded with first gripper shoe, the first gripper shoe comprises two support arms that are mutually 170 degree angles, the length of the H shaped steel that is shorter in length than homonymy of two support arms, the edge of a wing outer wall welding of the first gripper shoe and H shaped steel and the web isoplanar of the first gripper shoe and H shaped steel; The first gripper shoe is welded with first junction plate with its form fit away from the opposite side of H shaped steel; Between the edge of a wing outer wall of the two ends of the first junction plate, the first gripper shoe and H shaped steel, be welded with flanged plate, between flanged plate and the two sides of the first gripper shoe, be all welded with floor; The lateral wall of the first junction plate is fixedly welded with one and isoplanar the second gripper shoe of the first gripper shoe, the second gripper shoe also comprises two support arms that are mutually 170 degree angles, the length of the first gripper shoe support arm that is shorter in length than homonymy of two support arms, the second gripper shoe is welded with second junction plate with its form fit away from the opposite side of the first junction plate; Between the outer wall of the second junction plate, the second gripper shoe two ends and the first junction plate, be welded with flanged plate; On flanged plate, offer the first connecting hole group, the first connecting hole group includes four connecting holes with two row's two column distributions, and the distance between horizontal, longitudinal two adjacent connecting holes is 2a; A H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers a second connecting hole group, and the second connecting hole group comprises the connecting hole of two rows' three row, and laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The distance of two row's connecting holes and H shape steel web is a; Another H shaped steel is positioned on the edge of a wing outside the first gripper shoe end and offers two the second connecting hole groups, and two the second connecting hole groups arrange along H shaped steel length direction; On the first junction plate, near H shaped steel one side that is provided with a second connecting hole group, offer a second connecting hole group, the first junction plate opposite side offers a 3rd connecting hole group, the 3rd connecting hole group comprises the connecting hole of two row's four row, laterally the distance between adjacent two connecting holes is a, and longitudinally the distance between adjacent two connecting holes is 2a; The position of the H shaped steel that is provided with two connecting hole groups between two connecting hole groups is provided with the first gusset plate, the web of the first gusset plate and H shaped steel and edge of a wing vertical welding; On the joint face of two H shaped steel, be welded with the second gusset plate, all weld on web and the edge of a wing of the second gusset plate and two H shaped steel; Between the edge of a wing and the first junction plate of H shaped steel, be also welded with the second gusset plate between the first junction plate and the second junction plate, three the second gusset plates are positioned at isoplanar; In H shaped steel, the both sides of the second gusset plate are welded with the 3rd gusset plate, and the web of the 3rd gusset plate and H shaped steel and edge of a wing vertical welding are also welded with the 3rd gusset plate between the first junction plate and the edge of a wing outer wall of H shaped steel; With the 3rd gusset plate of the first junction plate welding, and homonymy with the 3rd gusset plate of H shape steel web welding in isoplanar; In H shaped steel, the corresponding position that is connected to the flanged plate on the first junction plate is welded with the 4th gusset plate, the web of the 4th gusset plate and H shaped steel and edge of a wing vertical welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255523.0A CN104032755A (en) | 2014-06-10 | 2014-06-10 | External corner connector of foundation pit supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255523.0A CN104032755A (en) | 2014-06-10 | 2014-06-10 | External corner connector of foundation pit supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104032755A true CN104032755A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410255523.0A Pending CN104032755A (en) | 2014-06-10 | 2014-06-10 | External corner connector of foundation pit supporting system |
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| Country | Link |
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| CN (1) | CN104032755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726634A (en) * | 2021-02-21 | 2021-04-30 | 东通岩土科技股份有限公司 | Angle adjusting part for steel support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0931984A (en) * | 1995-07-20 | 1997-02-04 | Marufuji Shiitopairu Kk | Corner unit for sheathing |
| CN2777047Y (en) * | 2005-01-12 | 2006-05-03 | 荣民工程股份有限公司 | Combination type supporting composite means |
| CN201924362U (en) * | 2010-11-23 | 2011-08-10 | 浙江华铁基础工程有限公司 | Integral type angle steel enclosing purlin |
| CN102535478A (en) * | 2011-12-30 | 2012-07-04 | 北京工业大学 | Enclosing purlin comprising square steel pipe and light concrete for supporting foundation pit |
| CN103362129A (en) * | 2013-07-11 | 2013-10-23 | 浙江博雷重型机床制造有限公司 | Connecting cover plate for connecting angle brace with diagonal brace standard component |
| CN203361167U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Enclosure purlin corner component for foundation pit supporting |
| CN203905023U (en) * | 2014-06-10 | 2014-10-29 | 德清鑫德机械有限公司 | External corner connecting piece of foundation pit supporting system |
-
2014
- 2014-06-10 CN CN201410255523.0A patent/CN104032755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0931984A (en) * | 1995-07-20 | 1997-02-04 | Marufuji Shiitopairu Kk | Corner unit for sheathing |
| CN2777047Y (en) * | 2005-01-12 | 2006-05-03 | 荣民工程股份有限公司 | Combination type supporting composite means |
| CN201924362U (en) * | 2010-11-23 | 2011-08-10 | 浙江华铁基础工程有限公司 | Integral type angle steel enclosing purlin |
| CN102535478A (en) * | 2011-12-30 | 2012-07-04 | 北京工业大学 | Enclosing purlin comprising square steel pipe and light concrete for supporting foundation pit |
| CN103362129A (en) * | 2013-07-11 | 2013-10-23 | 浙江博雷重型机床制造有限公司 | Connecting cover plate for connecting angle brace with diagonal brace standard component |
| CN203361167U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Enclosure purlin corner component for foundation pit supporting |
| CN203905023U (en) * | 2014-06-10 | 2014-10-29 | 德清鑫德机械有限公司 | External corner connecting piece of foundation pit supporting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726634A (en) * | 2021-02-21 | 2021-04-30 | 东通岩土科技股份有限公司 | Angle adjusting part for steel support |
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Application publication date: 20140910 |
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| RJ01 | Rejection of invention patent application after publication |