CN103981872B - A kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement - Google Patents
A kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement Download PDFInfo
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- CN103981872B CN103981872B CN201410232595.3A CN201410232595A CN103981872B CN 103981872 B CN103981872 B CN 103981872B CN 201410232595 A CN201410232595 A CN 201410232595A CN 103981872 B CN103981872 B CN 103981872B
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 17
- 210000001015 abdomen Anatomy 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 160
- 239000010959 steel Substances 0.000 claims description 160
- 230000002787 reinforcement Effects 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 12
- 238000005728 strengthening Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention discloses a kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement, by dividing at the long leg of foundation ditch, two or more fish belly sill device is set, and the position between two long limits between two adjacent fish belly sill devices arranges support, jointly support action is played to foundation ditch, described produces prestressing force to support by adjustment jack, the space that this kind of supporting and protection structure takies on the whole is little, be convenient to the excavation of foundation ditch, raise the efficiency, simultaneously, the component of supporting and protection structure is mostly standard-sized section bar, connected by bolt part, install, remove all very convenient, repeatedly recycling rate of waterused is high, reduce the cost of pattern foundation pit supporting structure on the whole.
Description
Technical field
The invention belongs to field of civil engineering, be specifically related to the prestressing force supporting and protection structure of foundation ditch.
Background technology
The mode that existing pattern foundation pit supporting structure mode mostly adopts arranges reinforced concrete fortifield village purlin in the surrounding of foundation ditch, arrange netted steel pipe support enclosing purlin inner circumferential again, its deficiency is that 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 well to foundation pit side-wall Shi Hanzhang, support strength is low, and the density usually can only arranged by increasing steel pipe increases support force; And the steel pipe of different size during different pattern foundation pit supporting structure, need be used, 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 existed for prior art, provides a kind of and installs, removes convenient, occupy foundation ditch space little, the high and supporting section bar rate of recovery the is high long limit of foundation ditch of supporting intensity to support arrangement.
For realizing the object of the present invention, be achieved by the following technical solutions: a kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement, to support arrangement between two adjacent groups fish belly sill device, often group one group of strut that support arrangement is included the support of two Eight characters and is connected between two Eight characters supports.
Described Eight characters support includes two the second angle brace seats, a gusseted seat and connects two groups of struts of two the second angle brace seats and gusseted seat; Two described the second angle brace seats are bolted enclosing between purlin shaped steel in installation site, and the second angle brace seat is connected with capping beam by rebar connector; Two described the second angle brace seats are the components of two the fish belly sill devices in the left and right sides simultaneously, make the second angle brace seat syndeton of the fish belly sill device end of both sides more firm, guarantee that steel strand can apply enough large prestressing force to support arrangement.
The second described angle brace seat is welded successively by three sections of H profile steel and forms, and the web of three sections of H profile steel is in the same plane, and three sections of H profile steel surround an isosceles right triangle; 1/3 position on the H profile steel i the being positioned at hypotenuse edge of a wing is outwardly welded with a H profile steel h, and the both ends of H profile steel h and H profile steel i are all welded with junction plate; H profile steel i is positioned at H profile steel h side and the edge of a wing offers the connecting hole that 2 group two is arranged four row outwardly, and laterally the distance of two adjacent connecting holes is a, and longitudinally the distance of two adjacent connecting holes is 2a; H profile steel i is positioned at H profile steel h opposite side and the edge of a wing offers one group two outwardly and arrange the connecting hole that 11 row and a group two arrange six row; Web inside H profile steel i and be welded with multiple reinforcing gusset between the edge of a wing, reinforces the position that gusset is positioned at H profile steel h two ends, and the position between two adjacent groups connecting hole; The H profile steel j welding edges being positioned at right-angle side has junction plate, and the H profile steel j edge of a wing outwardly offers the connecting hole that six group two is arranged two row; Be positioned at the edge of a wing vertical welding that the end of the H profile steel k of another right-angle side and H profile steel j are close to end, H profile steel k the other end weld away from one end of H profile steel h with H profile steel i; The H profile steel k edge of a wing outwardly offers the connecting hole that three group two is arranged two row; H profile steel k is welded with a guide plate passed for steel strand near the end position of H profile steel i, and H profile steel i is welded with a steel strand fixed head near one end of H profile steel k; H profile steel i, be welded with a junction steel plate between H profile steel j and H profile steel k, the junction steel plate position be positioned in the middle part of the second angle brace seat is provided with two steel strand anchorages; Second angle brace seat is simultaneously in order to connect two fish belly sill devices to support arrangement both sides, described steel strand anchorage applies pulling force to steel strand, make each web member support in fish belly sill device produce prestressing force to the cement mixing pile metope of foundation pit side-wall, ensure that body of wall does not firmly tilt or collapses.Described steel strand end is divided into two strands through after guide plate, and one is strained by ground tackle, and another stock is fixed on steel strand fixed head after ground tackle tension.
Described rebar connector includes L shape reinforcing bar, reinforcement welding in the minor face of L shape reinforcing bar and capping beam is fixed, end, the long limit coaxial welding of L shape reinforcing bar has that tool is female can the reinforcing bar connector of attachment screw, to be connected thus the second angle brace seat and capping beam to be fixed through the screw of the second angle brace seat H profile steel i with reinforcing bar connector; Reinforcement welding in the minor face of L shape reinforcing bar and capping beam is also cemented in the concrete of capping beam, and bonding strength is high to be not easy.
Described gusseted seat is isosceles right triangle, each right-angle side of gusseted seat is connected to three struts, three strut other ends are connected with a reinforcement H profile steel, the position of corresponding three struts of reinforcement H profile steel opposite side is connected with three and regulates H profile steel, regulates the H profile steel other end to be connected with the H profile steel j of the second angle brace seat right-angle side; Be connected with three between three struts often organized and connect cover plate; Described gusseted seat right-angled apices position is connected with one perpendicular to the strut enclosing purlin shaped steel, and the strut other end connects a jack, and the purlin shaped steel that encloses between jack with two the second angle brace seats is connected.
Described connection cover plate offers 5 or 7 connecting hole groups along its length, each connecting hole group is made up of two connecting hole unit, each connecting hole unit has six connecting holes, six connecting holes are along connecting cover plate length direction with the formal distribution of three row two row, distance between two laterally adjacent connecting holes is 2a, and the distance between two longitudinally adjacent connecting holes is a; The one side connecting cover plate is welded with 2 groups of symmetrically arranged strengthening steel slab bars along its length, and strengthening steel slab bar is also welded with leg-of-mutton floor with being connected between cover plate, and floor is between two connecting holes that connecting hole unit transverse is adjacent.
Described reinforcement H profile steel two ends are welded with cover plate, the edge of a wing bilateral symmetry of reinforcement H profile steel offers the connecting hole that 5 or 7 group two is arranged two row, often the distance organized between connecting hole longitudinal, laterally adjacent in connecting hole is 2a, be welded with reinforcing gusset between the web of reinforcement H profile steel and the edge of a wing, reinforce the outside that gusset is positioned at the centre often organizing connecting hole and the transverse direction often organizing connecting hole.
Connected by four struts between the gusseted seat of both sides Eight characters support; Four strut supported underneath have the crossbeam vertical with strut, and crossbeam two ends are connected to two cement mixing pile tops, are connected with bridging between two cement mixing piles.
Four described struts are connected and composed by the strut head and the tail of many full-lengths, in strut junction, supported underneath has reinforcement type beam device, reinforcement type beam device includes two crossbeam as vertical with strut, crossbeam a two ends downward vertical is connected with two crossbeam b, above the bracket part being connected to two cement mixing pile tops in the middle part of two crossbeam b, crossbeam b two ends and bracket part bottom are also connected with two oblique reinforced poles; The junction of two struts may produce the torsion of all directions, and described reinforcement type beam device ensure that the connective stability of above-mentioned junction.
The long limit of foundation ditch is provided with plural fish belly sill device to support arrangement both sides, fish belly sill device includes 2 the second angle brace seats, 5 web member supports between two the second angle brace seats, and to be fixed between two the second angle brace seats and steel strand to each web member support Shi Hanzhang, steel strand two ends are fixed on the second angle brace seat.
Compared with prior art, the invention has the beneficial effects as follows: by dividing at the long leg of foundation ditch, two or more fish belly sill device is set, and the position between two long limits between two adjacent fish belly sill devices arranges support, jointly support action is played to foundation ditch, described produces prestressing force to support by adjustment jack, the space that this kind of supporting and protection structure takies on the whole is little, be convenient to the excavation of foundation ditch, raise the efficiency, simultaneously, the component of supporting and protection structure is mostly standard-sized section bar, connected by bolt part, install, remove all very convenient, repeatedly recycling rate of waterused is high, reduce the cost of pattern foundation pit supporting structure on the whole.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of foundation pit support system.
Fig. 2 is arranged on the structural representation to support arrangement between the long limit of foundation ditch two.
Fig. 3 is the structural representation of the second angle brace seat.
Fig. 4 is the structural representation of rebar connector.
Fig. 5 is the structural representation of Eight characters support.
Fig. 6 is the structural representation connecting cover plate.
Fig. 7 is the structural representation of the left apparent direction of Fig. 6.
Fig. 8 is the structural representation of reinforcement H profile steel.
Fig. 9 is that the T-T of Fig. 8 is to structural representation.
Figure 10 is the mounting structure schematic diagram to support arrangement lower crossbeam.
Figure 11 is the mounting structure schematic diagram of reinforcement type beam device.
Detailed description of the invention
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 Figure 11, a kind of described in the present embodiment for the long limit of elongated rectangular shape foundation ditch to support arrangement, to support arrangement between two adjacent groups fish belly sill device, often group one group of strut that support arrangement is included the support of two Eight characters and is connected between two Eight characters supports.
Described Eight characters support includes two the second angle brace seats, 22, gusseted seat 24 and connects two groups of struts 11 of two the second angle brace seats and gusseted seat; Two described the second angle brace seats are bolted enclosing between purlin shaped steel in installation site, and the second angle brace seat is connected with capping beam by rebar connector.
The second described angle brace seat is welded successively by three sections of H profile steel and forms, and the web of three sections of H profile steel is in the same plane, and three sections of H profile steel surround an isosceles right triangle; 1/3 position on the H profile steel i221 the being positioned at hypotenuse edge of a wing is outwardly welded with a H profile steel h222, and the both ends of H profile steel h and H profile steel i are all welded with junction plate; H profile steel i is positioned at H profile steel h side and the edge of a wing offers the connecting hole that 2 group two is arranged four row outwardly, and laterally the distance of two adjacent connecting holes is a, and longitudinally the distance of two adjacent connecting holes is 2a; H profile steel i is positioned at H profile steel h opposite side and the edge of a wing offers one group two outwardly and arrange the connecting hole that 11 row and a group two arrange six row; Web inside H profile steel i and be welded with multiple reinforcing gusset between the edge of a wing, reinforces the position that gusset is positioned at H profile steel h two ends, and the position between two adjacent groups connecting hole; The H profile steel j223 welding edges being positioned at right-angle side has junction plate, and the H profile steel j edge of a wing outwardly offers the connecting hole that six group two is arranged two row; Be positioned at the edge of a wing vertical welding that the end of the H profile steel k224 of another right-angle side and H profile steel j are close to end, H profile steel k the other end weld away from one end of H profile steel h with H profile steel i; The H profile steel k edge of a wing outwardly offers the connecting hole that three group two is arranged two row; H profile steel k is welded with a guide plate 225, H profile steel i passed for steel strand near the end position of H profile steel i and is welded with a steel strand fixed head 226 near one end of H profile steel k; H profile steel i, be welded with a junction steel plate 227 between H profile steel j and H profile steel k, the junction steel plate position be positioned in the middle part of the second angle brace seat is provided with two steel strand anchorages 228.
Described rebar connector includes L shape reinforcing bar, reinforcement welding in the minor face of L shape reinforcing bar and capping beam is fixed, end, the long limit coaxial welding of L shape reinforcing bar has that tool is female can the reinforcing bar connector of attachment screw, to be connected thus the second angle brace seat and capping beam to be fixed through the screw of the second angle brace seat H profile steel i with reinforcing bar connector.
Described gusseted seat is isosceles right triangle, each right-angle side of gusseted seat is connected to three struts, three strut other ends are connected with a reinforcement H profile steel 15, the position of corresponding three struts of reinforcement H profile steel opposite side is connected with three and regulates H profile steel 16, regulates the H profile steel other end to be connected with the H profile steel j223 of the second angle brace seat right-angle side; Be connected with three between three struts often organized and connect cover plate 12; Described gusseted seat right-angled apices position is connected with one perpendicular to the strut enclosing purlin shaped steel, and the strut other end connects a jack 30, and the purlin shaped steel that encloses between jack with two the second angle brace seats is connected.
Described connection cover plate 12 offers 5 or 7 connecting hole groups along its length, each connecting hole group is made up of two connecting hole unit, each connecting hole unit has six connecting holes, six connecting holes are along connecting cover plate length direction with the formal distribution of three row two row, distance between two laterally adjacent connecting holes is 2a, and the distance between two longitudinally adjacent connecting holes is a; The one side connecting cover plate is welded with 2 groups of symmetrically arranged strengthening steel slab bars 122 along its length, and strengthening steel slab bar is also welded with leg-of-mutton floor 123 with being connected between cover plate, and floor is between two connecting holes that connecting hole unit transverse is adjacent.
Described reinforcement H profile steel two ends are welded with cover plate, the edge of a wing bilateral symmetry of reinforcement H profile steel offers the connecting hole that 5 or 7 group two is arranged two row, often the distance organized between connecting hole longitudinal, laterally adjacent in connecting hole is 2a, be welded with reinforcing gusset between the web of reinforcement H profile steel and the edge of a wing, reinforce the outside that gusset is positioned at the centre often organizing connecting hole and the transverse direction often organizing connecting hole.
Connected by four struts between the gusseted seat of both sides Eight characters support; Four strut supported underneath have the crossbeam 13 vertical with strut, and crossbeam two ends are connected to two cement mixing pile tops, are connected with bridging 42 between two cement mixing piles.
Four described struts are connected and composed by the strut head and the tail of many full-lengths, in strut junction, supported underneath has reinforcement type beam device, reinforcement type beam device includes two crossbeam a131s vertical with strut, crossbeam a two ends downward vertical is connected with two crossbeam b132, above the bracket part 41 being connected to two cement mixing pile tops in the middle part of two crossbeam b, crossbeam b two ends and bracket part 41 bottom are also connected with two oblique reinforced poles 43.
The long limit of foundation ditch is provided with two or more fish belly sill device to support arrangement both sides, fish belly sill device includes 2 the second angle brace seats 22,5 web member supports between two the second angle brace seats, and to be fixed between two the second angle brace seats and steel strand to each web member support Shi Hanzhang, steel strand two ends are fixed on the second angle brace seat.
Foundation ditch periphery squeezes into cement mixing pile 40 downwards, the capping beam of cement mixing pile top pouring reinforcement concrete structure, and capping beam inner circumferential is connected with encloses purlin shaped steel 10, encloses purlin shaped steel and is fixedly connected with capping beam by rebar connector 70.
Claims (1)
1. for the long limit of elongated rectangular shape foundation ditch to a support arrangement, it is characterized in that: to support arrangement between two adjacent groups fish belly sill device, often group one group of strut that support arrangement is included the support of two Eight characters and is connected between two Eight characters supports;
Described Eight characters support includes two the second angle brace seats, a gusseted seat and connects two groups of struts of two the second angle brace seats and gusseted seat; Two described the second angle brace seats are bolted enclosing between purlin shaped steel in installation site, and the second angle brace seat is connected with capping beam by rebar connector;
The second described angle brace seat is welded successively by three sections of H profile steel and forms, and the web of three sections of H profile steel is in the same plane, and three sections of H profile steel surround an isosceles right triangle; 1/3 position on the H profile steel i the being positioned at hypotenuse edge of a wing is outwardly welded with a H profile steel h, and the both ends of H profile steel h and H profile steel i are all welded with junction plate; H profile steel i is positioned at H profile steel h side and the edge of a wing offers the connecting hole that 2 group two is arranged four row outwardly, and laterally the distance of two adjacent connecting holes is a, and longitudinally the distance of two adjacent connecting holes is 2a; H profile steel i is positioned at H profile steel h opposite side and the edge of a wing offers one group two outwardly and arrange the connecting hole that 11 row and a group two arrange six row; Web inside H profile steel i and be welded with multiple reinforcing gusset between the edge of a wing, reinforces the position that gusset is positioned at H profile steel h two ends, and the position between two adjacent groups connecting hole; The H profile steel j welding edges being positioned at right-angle side has junction plate, and the H profile steel j edge of a wing outwardly offers the connecting hole that six group two is arranged two row; Be positioned at the edge of a wing vertical welding that the end of the H profile steel k of another right-angle side and H profile steel j are close to end, H profile steel k the other end weld away from one end of H profile steel h with H profile steel i; The H profile steel k edge of a wing outwardly offers the connecting hole that three group two is arranged two row; H profile steel k is welded with a guide plate passed for steel strand near the end position of H profile steel i, and H profile steel i is welded with a steel strand fixed head near one end of H profile steel k; H profile steel i, be welded with a junction steel plate between H profile steel j and H profile steel k, the junction steel plate position be positioned in the middle part of the second angle brace seat is provided with two steel strand anchorages;
Described rebar connector includes L shape reinforcing bar, reinforcement welding in the minor face of L shape reinforcing bar and capping beam is fixed, end, the long limit coaxial welding of L shape reinforcing bar has that tool is female can the reinforcing bar connector of attachment screw, to be connected thus the second angle brace seat and capping beam to be fixed through the screw of the second angle brace seat H profile steel i with reinforcing bar connector;
Described gusseted seat is isosceles right triangle, each right-angle side of gusseted seat is connected to three struts, three strut other ends are connected with a reinforcement H profile steel, the position of corresponding three struts of reinforcement H profile steel opposite side is connected with three and regulates H profile steel, regulates the H profile steel other end to be connected with the H profile steel j of the second angle brace seat right-angle side; Be connected with three between three struts often organized and connect cover plate; Described gusseted seat right-angled apices position is connected with one perpendicular to the strut enclosing purlin shaped steel, and the strut other end connects a jack, and the purlin shaped steel that encloses between jack with two the second angle brace seats is connected;
Described connection cover plate offers 5 or 7 connecting hole groups along its length, each connecting hole group is made up of two connecting hole unit, each connecting hole unit has six connecting holes, six connecting holes are along connecting cover plate length direction with the formal distribution of three row two row, distance between two laterally adjacent connecting holes is 2a, and the distance between two longitudinally adjacent connecting holes is a; The one side connecting cover plate is welded with 2 groups of symmetrically arranged strengthening steel slab bars along its length, and strengthening steel slab bar is also welded with leg-of-mutton floor with being connected between cover plate, and floor is between two connecting holes that connecting hole unit transverse is adjacent;
Described reinforcement H profile steel two ends are welded with cover plate, the edge of a wing bilateral symmetry of reinforcement H profile steel offers the connecting hole that 5 or 7 group two is arranged two row, often the distance organized between connecting hole longitudinal, laterally adjacent in connecting hole is 2a, be welded with reinforcing gusset between the web of reinforcement H profile steel and the edge of a wing, reinforce the outside that gusset is positioned at the centre often organizing connecting hole and the transverse direction often organizing connecting hole;
Connected by four struts between the gusseted seat of both sides Eight characters support; Four strut supported underneath have the crossbeam vertical with strut, and crossbeam two ends are connected to two cement mixing pile tops, are connected with bridging between two cement mixing piles;
Four described struts are connected and composed by the strut head and the tail of many full-lengths, in strut junction, supported underneath has reinforcement type beam device, reinforcement type beam device includes two crossbeam as vertical with strut, crossbeam a two ends downward vertical is connected with two crossbeam b, above the bracket part being connected to two cement mixing pile tops in the middle part of two crossbeam b, crossbeam b two ends and bracket part bottom are also connected with two oblique reinforced poles;
The long limit of foundation ditch is provided with plural fish belly sill device to support arrangement both sides, fish belly sill device includes 2 the second angle brace seats, 5 web member supports between two the second angle brace seats, and to be fixed between two the second angle brace seats and steel strand to each web member support Shi Hanzhang, steel strand two ends are fixed on the second angle brace seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232595.3A CN103981872B (en) | 2014-05-28 | 2014-05-28 | A kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232595.3A CN103981872B (en) | 2014-05-28 | 2014-05-28 | A kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement |
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| Publication Number | Publication Date |
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| CN103981872A CN103981872A (en) | 2014-08-13 |
| CN103981872B true CN103981872B (en) | 2016-01-27 |
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| CN201410232595.3A Active CN103981872B (en) | 2014-05-28 | 2014-05-28 | A kind of for the long limit of elongated rectangular shape foundation ditch to support arrangement |
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| CN111576433A (en) * | 2020-04-16 | 2020-08-25 | 范经明 | Quick support bracket for subway deep foundation pit engineering and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081069A (en) * | 2000-09-05 | 2002-03-22 | Kajima Corp | Corner angle brace strut erecting device for slide type strut timbering |
| CN102839678A (en) * | 2012-09-26 | 2012-12-26 | 上海新强劲工程技术有限公司 | Structure for improving rigidity and stability of foundation pit steel support |
| CN102943481A (en) * | 2012-12-12 | 2013-02-27 | 上海强劲地基工程股份有限公司 | Reinforced concrete beam and steel beam combined connecting structure for foundation pit supporting and construction method thereof |
| CN203514309U (en) * | 2013-10-09 | 2014-04-02 | 浙江博雷重型机床制造有限公司 | Steel strand anchorage device base |
| CN203846510U (en) * | 2014-05-28 | 2014-09-24 | 德清鑫德机械有限公司 | Diagonal bracing device for long edges of strip-shaped and rectangular foundation pit |
-
2014
- 2014-05-28 CN CN201410232595.3A patent/CN103981872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081069A (en) * | 2000-09-05 | 2002-03-22 | Kajima Corp | Corner angle brace strut erecting device for slide type strut timbering |
| CN102839678A (en) * | 2012-09-26 | 2012-12-26 | 上海新强劲工程技术有限公司 | Structure for improving rigidity and stability of foundation pit steel support |
| CN102943481A (en) * | 2012-12-12 | 2013-02-27 | 上海强劲地基工程股份有限公司 | Reinforced concrete beam and steel beam combined connecting structure for foundation pit supporting and construction method thereof |
| CN203514309U (en) * | 2013-10-09 | 2014-04-02 | 浙江博雷重型机床制造有限公司 | Steel strand anchorage device base |
| CN203846510U (en) * | 2014-05-28 | 2014-09-24 | 德清鑫德机械有限公司 | Diagonal bracing device for long edges of strip-shaped and rectangular foundation pit |
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Denomination of invention: A supporting device for the long side of rectangular foundation pits Effective date of registration: 20231027 Granted publication date: 20160127 Pledgee: Yuyue sub branch of Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Pledgor: DEQING XINDE MACHINERY Co.,Ltd. Registration number: Y2023980062877 |
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