CN203361168U - Steel enclosure purlin structure for foundation pit supporting - Google Patents
Steel enclosure purlin structure for foundation pit supporting Download PDFInfo
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- CN203361168U CN203361168U CN 201320409975 CN201320409975U CN203361168U CN 203361168 U CN203361168 U CN 203361168U CN 201320409975 CN201320409975 CN 201320409975 CN 201320409975 U CN201320409975 U CN 201320409975U CN 203361168 U CN203361168 U CN 203361168U
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- Prior art keywords
- purlin
- shaped steel
- encloses
- steel
- foundation pit
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Abstract
The utility model discloses a steel enclosure purlin structure for foundation pit supporting. The steel enclosure purlin structure is high in structural strength, strong in bending resistance, capable of guaranteeing the supporting capacity of the enclosure purlin structure for a foundation pit and convenient to install in practical construction. The steel enclosure purlin structure is provided with one or more layers of enclosure purlin components which are sequentially distributed on the inner side of the foundation pit from bottom to top. Each layer of enclosure purlin components are distributed around the periphery of the foundation pit. The enclosure purlin components in the same layer are formed by one or more circles of enclosure purlin beams which are arranged from the side periphery of the foundation pit to the inside side by side, and the enclosure purlin beams in the same circle are formed by a plurality of H-shaped steel bodies which are located in the same horizontal height and connected with one another. Connecting cover plates are arranged at the two ends of each H-shaped steel body respectively, and every two adjacent H-shaped steel bodies of the same circle of purlin beams are connected through the connecting cover plates on the end portions of the H-shaped steel bodies.
Description
Technical field
The utility model relates to building foundation pit and goes along with sb. to guard him field, is specifically related to the steel that a kind of bracing of foundation pit uses and encloses the purlin structure.
Background technology
In order to guarantee the safety of underground structure and foundation ditch surrounding enviroment, need to around reaching, foundation pit side-wall apply the safeguard procedures such as support, reinforcing.As shown in Figure 4, current foundation pit support system generally includes the one group of engineering method stake 8 arranged around margin of foundation pit, in engineering method stake inboard, encloses purlin beam 2 and some brace summers 7 enclosed between the purlin beam that is arranged on.Brace summer relative enclosing on the purlin beam of both sides, forms support to foundation ditch with this to support, guarantees the support strength of foundation pit support system.
Enclose the purlin beam and lay around foundation ditch periphery, it consists of following two kinds of forms usually: one, and that by steel concrete, makes encloses the purlin beam; Its two, form and enclose the purlin beam by shaped steel.Enclose the purlin beam and form enclosing for retaining structure on the vertical direction on the foundation ditch limit, and as whole foundation ditch being supported to the vitals that synthesizes one; Its structural strength directly has influence on encloses the enabling capabilities of purlin beam to foundation ditch.On the other hand, due to the shape matching complexity of foundation ditch, when enclosing the purlin beam and consist of shaped steel, it needs to form by some segment type steel usually.In current practice of construction process, form between adjacent two shaped steel that enclose the purlin beam and usually adopt the mode of welding directly two shaped steel to be connected as a single entity.Although the mode of current this employing welding connects and composes each shaped steel that encloses the purlin beam and can be spliced into one by enclosing the purlin beam reliably, its concatenation efficiency is low, and is unfavorable for enclosing dismounting, the recovery of purlin beam shaped steel.
The utility model content
The first purpose of the present utility model is in order to overcome deficiency of the prior art, provides that a kind of not only structural strength is high, bending resistance is strong, can guarantee to enclose the enabling capabilities of purlin structure to foundation ditch; And the steel that the easy for installation bracing of foundation pit consisted of shaped steel of practice of construction is used encloses the purlin structure.
The utility model another purpose on the first purpose basis is in order to overcome deficiency of the prior art, provides a kind of and is convenient to form the dismounting of each shaped steel enclose the purlin beam, the steel that the bracing of foundation pit of recovery is used encloses the purlin structure.
The technical solution of the utility model is:
The steel that a kind of bracing of foundation pit is used encloses the purlin structure, what comprise that one or more layers that be arranged on the foundation ditch inboard distribute from lower to upper successively encloses the purlin member, each layer encloses the purlin member and lays around the foundation ditch periphery, same layer encloses on the purlin member, consists of toward the interior purlin beam that encloses be arranged side by side by single-turn or multi-turn the foundation ditch gusset, same corral purlin beam consists of in same level height interconnective H shaped steel some, the two ends of described H shaped steel are respectively equipped with the connection cover plate, and the adjacent two H shaped steel of same corral purlin beam connect cover plates by two of its end and are connected.This programme utilize the characteristics that H shaped steel quality is light and bending resistance is strong; And be respectively equipped with the connection cover plate at the two ends of H shaped steel, and the two-port of H shaped steel envelope is hidden, form box beam, further strengthen H shaped steel intensity, thereby it is strong to improve whole structural strength, bending resistance of enclosing the purlin beam, guarantees to enclose the enabling capabilities of purlin structure to foundation ditch.On the other hand, same corral purlin beam consists of in same level height interconnective H shaped steel some, and it can guarantee to enclose the globality of purlin beam, improves and encloses the enabling capabilities of purlin beam to foundation ditch.
As preferably, what multi-turn was arranged side by side encloses in the purlin beam, and the connecting portion between two H shaped steel of the connecting portion between two H shaped steel of any corral purlin beam and another adjacent corral purlin beam is interspersed.This programme structure is conducive to improve the support strength that encloses the purlin member that the purlin beam forms that encloses be arranged side by side by multi-turn, guarantees to enclose purlin and forms the enabling capabilities to foundation ditch.
As preferably, form on two edges of a wing of each H shaped steel that encloses the purlin beam and be respectively equipped with some the first connecting through holes, and each first connecting through hole is symmetrically distributed in the relative both sides of the web of H shaped steel; The web that forms each H shaped steel enclose the purlin beam is horizontally disposed with, and its edge of a wing vertically arranges, and enclosing in the purlin beam of being arranged side by side of multi-turn, and it is bonded to each other and be connected by bolt that two adjacent rings is enclosed the edge of a wing of H shaped steel of purlin beam.Web due to each H shaped steel in this programme structure is horizontally disposed with, and the edge of a wing vertically arranges; Can effectively improve the bending resistance of enclosing the purlin beam so strong, and then improve and enclose the enabling capabilities of purlin beam to foundation ditch.In addition, it is bonded to each other and be connected by bolt that two adjacent rings is enclosed the edge of a wing of H shaped steel of purlin beam, and it not only can further strengthen enclosing the structural strength of purlin member, and is convenient to form dismounting and the recovery of each shaped steel that encloses the purlin beam.
As preferably, connect cover plate and be provided with some the second connecting through holes, and each second connecting through hole is symmetrically distributed in the relative both sides of the web of H shaped steel.Be provided with some connecting through holes owing to connecting cover plate, thereby can two connection cover plates of the end of adjacent two H shaped steel be connected by bolt, be convenient to form dismounting, the recovery of each shaped steel that encloses the purlin beam.Be symmetrically distributed in the relative both sides of the web of H shaped steel due to each second connecting through hole simultaneously, it can guarantee that two connection cover plates of the end of adjacent two H shaped steel are bolted rear (each bolt is respectively through the second connecting through hole), the bonding strength between two H shaped steel.
As preferably, connect cover plate rectangular, and connect the two-port that the cover plate envelope hides H shaped steel.Connect cover plate the two-port of H shaped steel envelope is hidden, form box beam, further strengthen H shaped steel intensity, thereby improve whole structural strength of enclosing the purlin beam.
As preferably, between the web of connection cover plate and H shaped steel, be provided with deep floor.The structural strength of H shaped steel can be further strengthened in the setting of deep floor.
As preferably, web and the edge of a wing of H shaped steel that connects cover plate and its place is perpendicular.This programme structure not only is conducive to adjacent two H shaped steel and connects cover plates by two of its end and connected, and is conducive to improve the bearing capacity that encloses the purlin beam.
As preferably, connect between cover plate and H shaped steel and connect by being weldingly connected.
The beneficial effects of the utility model are:
One, not only have that structural strength is high, bending resistance is strong, can guarantee to enclose the characteristics of purlin structure to the enabling capabilities of foundation ditch; And practice of construction is easy for installation.
Its two, be convenient to formation is enclosed each shaped steel education dismounting of purlin beam and reclaimed.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation that same layer of the present utility model encloses the purlin member.
Fig. 2 is the another kind of structural representation that same layer of the present utility model encloses the purlin member.
Fig. 3 is a kind of structural representation of H shaped steel of the present utility model.
Fig. 4 is a kind of partial structurtes schematic diagram of a kind of foundation pit support system of the prior art.
In figure: enclose purlin member 1, enclose purlin beam 2,2.1, connect cover plate 3, floor 4, the first connecting through hole 5, the second connecting through holes 6, brace summer 7, engineering method stake 8, H shaped steel 21, the edge of a wing 211, web 212.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
As shown in Figure 1 and Figure 2, the steel that a kind of bracing of foundation pit is used encloses the purlin structure, and what comprise that one or more layers that be arranged on the foundation ditch inboard distribute from lower to upper successively encloses purlin member 1.Each layer encloses purlin member 1 and lays around the foundation ditch periphery.Same layer encloses on purlin member 1, consists of toward the interior purlin beam that encloses be arranged side by side by single-turn or multi-turn the foundation ditch gusset.The same layer of the foundation ditch inboard shown in Fig. 1 encloses purlin member 1 and encloses purlin beam 2 by individual pen and form.The same layer of the foundation ditch inboard shown in Fig. 2 encloses purlin member 1 and consists of two corral purlin beams 2,2.1.
As shown in Figure 1, Figure 2, Figure 3 shows, same corral purlin beam 2,2.1 consists of in same level height interconnective H shaped steel 21 some.The two ends of H shaped steel 21 are respectively equipped with and connect cover plate 3.Connect cover plate 3 and be provided with some the second connecting through holes 6, and each second connecting through hole is symmetrically distributed in the relative both sides of the web 212 of H shaped steel 21.Connecting cover plate 3 by two of its end between the adjacent two H shaped steel 21 of same corral purlin beam 2,2.1 is connected.Can or weld by bolt or riveted joint or flange or latch and be connected with each H shaped steel between two connection cover plates 3; In the present embodiment, between two connection cover plates 3, by bolt, be connected, bolt connects as one two connection cover plates through two each second connecting through holes 6 that connect on cover plates 3, and then adjacent two H shaped steel 21 are connected as one.
As shown in Figure 2 and Figure 3, what multi-turn was arranged side by side encloses in purlin beam 2,2.1, and the connecting portion (i.e. two connection cover board positions of two H shaped steel 21 ends) between two H shaped steel 21 of the connecting portion between two H shaped steel 21 of any corral purlin beam (i.e. two connection cover board positions of two H shaped steel 21 ends) and adjacent another corral purlin beam is interspersed.Form on two edges of a wing 211 of each H shaped steel 21 enclose the purlin beam and be respectively equipped with some the first connecting through holes 5, and each first connecting through hole is symmetrically distributed in the relative both sides of the web 212 of H shaped steel.The web 212 that forms each H shaped steel 21 that encloses the purlin beam is horizontally disposed with, and its edge of a wing 211 vertically arranges.What multi-turn was arranged side by side encloses in purlin beam 2,2.1, and it is bonded to each other and be connected by bolt that two adjacent rings is enclosed the edge of a wing 211 of H shaped steel 21 of purlin beam.
As shown in Figure 3, be provided with deep floor 4 between the web 212 of connection cover plate 3 and H shaped steel 21.Connect cover plate 3 rectangular, and connect the two-port that the cover plate envelope hides H shaped steel 21.Connect cover plate 3 perpendicular with web and the edge of a wing of the H shaped steel at its place, the H shaped steel that connects cover plate and its place is perpendicular.Connect between cover plate and H shaped steel and connect by being weldingly connected.
Claims (8)
1. the steel that a bracing of foundation pit is used encloses the purlin structure, what comprise that one or more layers that be arranged on the foundation ditch inboard distribute from lower to upper successively encloses purlin member (1), each layer encloses the purlin member and lays around the foundation ditch periphery, it is characterized in that, same layer encloses on purlin member (1), by the foundation ditch gusset toward interior by single-turn or multi-turn, be arranged side by side enclose purlin beam (2, 2.1) form, same corral purlin beam consists of in same level height interconnective H shaped steel (21) some, the two ends of described H shaped steel are respectively equipped with and connect cover plate (3), and the adjacent two H shaped steel (21) of same corral purlin beam connect cover plate (3) by two of its end and are connected.
2. the steel that a kind of bracing of foundation pit according to claim 1 is used encloses the purlin structure, it is characterized in that, what multi-turn was arranged side by side encloses in purlin beam (2,2.1), and the connecting portion between two H shaped steel of the connecting portion between two H shaped steel (21) of any corral purlin beam and another adjacent corral purlin beam is interspersed.
3. the steel that a kind of bracing of foundation pit according to claim 1 is used encloses the purlin structure, it is characterized in that, form on two edges of a wing (211) of each H shaped steel (21) enclose the purlin beam and be respectively equipped with some the first connecting through holes (5), and each first connecting through hole is symmetrically distributed in the relative both sides of the web (212) of H shaped steel; The web (212) that forms each H shaped steel (21) enclose the purlin beam is horizontally disposed with, and its edge of a wing (211) vertically arrange, and enclosing in the purlin beam of being arranged side by side of multi-turn, and it is bonded to each other and be connected by bolt that two adjacent rings is enclosed the edge of a wing of H shaped steel of purlin beam.
4. the steel of using according to claim 1 or 2 or 3 described a kind of bracing of foundation pit encloses the purlin structure, it is characterized in that, connect cover plate (3) and be provided with some the second connecting through holes (6), and each second connecting through hole is symmetrically distributed in the relative both sides of the web of H shaped steel.
5. the steel of using according to claim 1 or 2 or 3 described a kind of bracing of foundation pit encloses the purlin structure, it is characterized in that, described connection cover plate (3) is rectangular, and connects the two-port that the cover plate envelope hides H shaped steel.
6. the steel of using according to claim 1 or 2 or 3 described a kind of bracing of foundation pit encloses the purlin structure, it is characterized in that, is provided with deep floor (4) between the web of described connection cover plate (3) and H shaped steel.
7. the steel of using according to claim 1 or 2 or 3 described a kind of bracing of foundation pit encloses the purlin structure, it is characterized in that, web and the edge of a wing of the H shaped steel at described connection cover plate and its place are perpendicular.
8. the steel of using according to claim 1 or 2 or 3 described a kind of bracing of foundation pit encloses the purlin structure, it is characterized in that, between described connection cover plate and H shaped steel, by being weldingly connected, connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320409975 CN203361168U (en) | 2013-07-11 | 2013-07-11 | Steel enclosure purlin structure for foundation pit supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320409975 CN203361168U (en) | 2013-07-11 | 2013-07-11 | Steel enclosure purlin structure for foundation pit supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203361168U true CN203361168U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320409975 Expired - Fee Related CN203361168U (en) | 2013-07-11 | 2013-07-11 | Steel enclosure purlin structure for foundation pit supporting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203361168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032757A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Support structure for foundation pit corner position |
| CN104032753A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Corner connector of foundation pit supporting structure |
-
2013
- 2013-07-11 CN CN 201320409975 patent/CN203361168U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032757A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Support structure for foundation pit corner position |
| CN104032753A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Corner connector of foundation pit supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Huan Inventor before: He Yixin |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170711 |