CN209585054U - One kind is quickly met an urgent need diagonal brace for salvage of foundation pits - Google Patents
One kind is quickly met an urgent need diagonal brace for salvage of foundation pits Download PDFInfo
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- CN209585054U CN209585054U CN201822169814.4U CN201822169814U CN209585054U CN 209585054 U CN209585054 U CN 209585054U CN 201822169814 U CN201822169814 U CN 201822169814U CN 209585054 U CN209585054 U CN 209585054U
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Abstract
One kind of the utility model is quickly met an urgent need diagonal brace for salvage of foundation pits, it is related to technical field of building construction, for solving large area, deep basal pit, in unsupported earth excavation, foundation pit enclosure wall stress and rate of deformation excessive the case where security risk is generated to scene is effectively relieved.It installs built-in fitting one by the vertical direction of the supporting and retaining system formula building enclosure at foundation pit platform on the side wall on the inside of foundation pit, built-in fitting two is installed on the thickening bed course of bottom of foundation ditch, the both ends of the type steel support of factory's production are fully welded and are connect with built-in fitting one and built-in fitting two respectively again, diagonal brace is formed, thus as foundation pit emergency treatment.Type steel support can shorten the emergency repair time effectively so as to shorten the construction period；Biggish construction space is saved for the construction of main structure body；Type steel support stress form is preferable, and foundation pit enclosure wall stress is mutually offset with uplift of soil stress, can effectively reinforce to foundation pit enclosure form.
Description
Technical field
It is the utility model relates to technical field of building construction, in particular to a kind of quickly to meet an urgent need diagonal brace for salvage of foundation pits.
Background technique
When Extra-Deep Foundation Pit form uses underground enclosure wall (supporting and retaining system formula structure), foundation depth is more than 6m, foundation pit area
Type steel support emergency measure can be used in larger situation.If using general type salvage of foundation pits measure, such as top of the slope unloading, slope
Foot back-pressure, bolt anchorage, combined bolting and shotcrete etc., since the foundation pit enclosure measure originally having and biggish foundation depth, top of the slope are unloaded
Load, which can go along with sb. to guard him original cast-in-situ bored pile, to be destroyed, and increases difficulty to construction instead；Slope foot back-pressure then can be to main structure bottom
Plate construction impacts, and construction speed is caused to lag, and construction bottom plate is still required to remove slope foot weight, belongs to palliative and arranges
It applies；When base pit engineering lower part building enclosure is double cast-in-situ bored pile and coupling beam, bolt anchorage, combined bolting and shotcrete are not applicable.
Utility model content
The utility model aim is to provide a kind of rapid rescue type steel support i.e. salvage of foundation pits applied to foundation pit enclosure
Foundation pit enclosure wall can be effectively relieved in large area, deep basal pit, the construction of unsupported earth excavation in quickly emergency diagonal brace
Stress and rate of deformation it is excessive to scene generate security risk the case where, while guarantee earth excavation and main structure construction into
Degree.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
One kind is quickly met an urgent need diagonal brace for salvage of foundation pits, the foundation pit by top of the slope road second level slope to foundation pit platform, with
Earth excavation is supporting and retaining system formula building enclosure at foundation pit platform to bottom of foundation ditch afterwards, and the vertical direction of supporting and retaining system formula building enclosure is close
Side wall on the inside of foundation pit is equipped with built-in fitting one；Bottom of foundation ditch corresponding position, which is equipped with, thickeies bed course, is arranged on the thickening bed course
Built-in fitting two；It further include type steel support, the both ends of the type steel support are fully welded and connect with built-in fitting one and built-in fitting two respectively, shape
At diagonal brace.
Compared with prior art, the utility model is beneficial has the technical effect that
One, the utility model is quickly met an urgent need diagonal brace for salvage of foundation pits, is applied to foundation pit compared with deep, area is larger, supporting and retaining system
In the foundation pit of formula structural envelope form, through the vertical direction of the supporting and retaining system formula building enclosure at foundation pit platform on the inside of foundation pit
Built-in fitting one is installed on side wall, built-in fitting two, then the type steel support that factory is made are installed on the thickening bed course of bottom of foundation ditch
Both ends be fully welded and connect with built-in fitting one and built-in fitting two respectively, formed diagonal brace, thus as foundation pit emergency treatment.This is tiltedly
Support uses type steel support form, can shorten the emergency repair time effectively so as to shorten the construction period.Moreover, the diagonal brace is structure
The construction of main body saves biggish construction space, is conducive to comprehensive development of main structure construction of bottom plates working face.It is main
, type steel support stress form is preferable, and foundation pit enclosure wall stress is mutually offset with uplift of soil stress, can be effective
Foundation pit enclosure form is reinforced.
Two, the utility model is quickly met an urgent need the construction method of diagonal brace for salvage of foundation pits, it is easy to operate, reduces and applies
The operation difficulty at work scene, it is at low cost, in large area, deep foundation pit earthwork digging construction, consolidation process can be carried out to foundation pit,
It prevents foundation pit from further deforming, the effect of emergency repair can be played.
Further, the thickening bed course successively includes steel pipe layer, steel bar layer and surface layer, the steel pipe layer packet from the bottom to top
It includes several along the spaced two-way steel pipe of plane；The steel bar layer is double-layer double-direction reinforcing bar.In view of the medium-sized bracing members of diagonal brace
Bottom end be fixed on the built-in fitting two of bottom of foundation ditch, in order to meet force request, install at built-in fitting two to thicken bed course, steel
3m long steel pipe anchors into the length for thickening bed course not less than 300mm in tube layer, and steel pipe spacing is 500mm.
Further, in order to guarantee the waterproof effect of main structure, when the also unstable diagonal brace of building enclosure can not be removed,
When main structure is constructed, the type steel support, which passes through, is arranged steel plate for sealing water at base plate of foundation pit and structure outer plate.To foundation pit
Construction of bottom plates completion reaches intensity, and building enclosure stabilizes, and diagonal brace can just be removed.
Further, the steel plate for sealing water is mutually perpendicular to, bottom plate along one circle of type steel support periphery setting with type steel support
The center of base plate thickness is arranged in the steel plate for sealing water center at place, and the steel plate for sealing water center setting at structure outer plate exists
Side fascia plate thickness center, to play the role of water seepage prevention.
Further, the supporting and retaining system formula building enclosure is the double cast-in-situ bored pile at a distance of a fixed spacing, coupling beam and mixes
The gravity dam that solidifying fortifield village's purlin is formed, the concrete purlin are respectively arranged at cast-in-situ bored pile top, lead between concrete purlin
Coupling beam connection is crossed, the built-in fitting one is set along the cast-in-situ bored pile stake top concrete purlin interval on the inside of foundation pit
It sets.Spacing 6m being enclosed along foundation pit periphery one, one built-in fitting one being set, built-in fitting one can use 600mm × 600mm × 16mm
The reinforced steel bar perforation plug welding that 9 HRB400 grades of diameters are 20mm can be arranged therebetween and connect with steel plate for steel plate.
Detailed description of the invention
Fig. 1 is quickly to meet an urgent need the schematic diagram of diagonal brace in an embodiment of the present invention for salvage of foundation pits；
Fig. 2 is the structural schematic diagram of built-in fitting one during the utility model one is implemented；
Fig. 3 is the structural schematic diagram of built-in fitting two in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of built-in fitting two in an embodiment of the present invention；
Fig. 5 is that steel pipe floor plan below bed course is thickeied in an embodiment of the present invention；
Fig. 6 is quickly to meet an urgent need the using renderings of diagonal brace in an embodiment of the present invention for salvage of foundation pits.
In figure:
10- cast-in-situ bored pile, 11- coupling beam, 12- concrete purlin；The skirt 20- ruggedized construction, 21- plain concrete power transmission
Band；31- built-in fitting one, 32- thicken bed course, and 33- built-in fitting two, 34- type steel support, 35- diameter is the reinforcing bar of 20mm；40- stops
Water steel plate；50- steel pipe；60- bottom plate；70- Side fascia.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes one kind quickly meet an urgent need tiltedly for salvage of foundation pits
Support is described in further detail.According to following explanation, will be become apparent from feature the advantages of the utility model.It below will be by listed
For embodiment combination attached drawing, the technology contents and feature of the utility model are described in detail.Need in addition it illustrate, attached drawing is adopted
With very simplified form and using non-accurate ratio, only to convenient, lucidly aid illustration the utility model is implemented
The purpose of example.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be
The limitation of technical solutions of the utility model.
Embodiment one
Quickly meeting an urgent need the structure composition of diagonal brace for salvage of foundation pits for the utility model is described in detail in conjunction with Fig. 1 to Fig. 6.
Please refer to Fig. 1 to Fig. 6, one kind is quickly met an urgent need diagonal brace for salvage of foundation pits, foundation pit by top of the slope road second level slope extremely
Foundation pit platform, subsequent earth excavation to bottom of foundation ditch is supporting and retaining system formula building enclosure at foundation pit platform, supporting and retaining system formula building enclosure it is perpendicular
Histogram is equipped with built-in fitting 1 to the side wall on the inside of foundation pit；Bottom of foundation ditch corresponding position, which is equipped with, thickeies bed course 32, thickeies
Built-in fitting 2 33 is set on bed course 32；Further include type steel support 34, the both ends of type steel support 34 respectively with built-in fitting 1 and pre-
Embedded part 2 33 is fully welded connection, forms diagonal brace.
Specifically, the utility model is quickly met an urgent need diagonal brace for salvage of foundation pits, be applied to foundation pit is relatively deep, area compared with
Greatly, in the foundation pit of supporting and retaining system formula structural envelope form, by the vertical direction of the supporting and retaining system formula building enclosure at foundation pit platform close to base
It cheats and built-in fitting 1 is installed on the side wall of inside, built-in fitting 2 33 is installed on the thickening bed course 32 of bottom of foundation ditch, then by factory
The both ends of the type steel support 34 of production are fully welded and connect with built-in fitting 1 and built-in fitting 2 33 respectively, diagonal brace are formed, thus conduct
Foundation pit emergency treatment.The diagonal brace uses type steel support form, can shorten the emergency repair time effectively so as to shorten construction
Duration.Moreover, the construction that the diagonal brace is main structure body saves biggish construction space, be conducive to the construction of main structure bottom plate 60
Comprehensive development of working face.Most importantly, 34 stress form of type steel support is preferable, foundation pit enclosure wall stress and uplift of soil
Stress is mutually offset, and can effectively be reinforced to foundation pit enclosure form.
In the present embodiment, it is highly preferred that thicken bed course 32 from the bottom to top successively include steel pipe layer, steel bar layer and surface layer,
Steel pipe layer includes several along the spaced two-way steel pipe 50 of plane；Steel bar layer is double-layer double-direction reinforcing bar.In view of diagonal brace is medium-sized
The bottom end of bracing members 34 is fixed on the built-in fitting 2 33 of bottom of foundation ditch, in order to meet force request, is at installation built-in fitting two
Bed course 32 is thickeied, 3m long steel pipe 50 anchors into the length for thickening bed course 32 not less than 300mm in steel pipe layer, and 50 spacing of steel pipe is
500mm。
In the present embodiment, it is highly preferred that waterproof effect in order to guarantee main structure, when building enclosure also it is unstable tiltedly
When support can not remove, when main structure is constructed, type steel support 34 passes through to be arranged at base plate of foundation pit 60 and structure outer plate 70
Steel plate for sealing water 40.It completes to reach intensity to the construction of base plate of foundation pit 60, building enclosure stabilizes, and diagonal brace can just be removed.In this reality
It applies in example, it is highly preferred that steel plate for sealing water 40 is mutually perpendicular to, bottom along 34 periphery setting of type steel support, one circle with type steel support 34
40 center of steel plate for sealing water at plate 60 is arranged in the center of 60 thickness of bottom plate, in the steel plate for sealing water 40 at structure outer plate 70
Heart position is arranged at 70 plate thickness center of Side fascia, to play the role of water seepage prevention.
In the present embodiment, it is highly preferred that supporting and retaining system formula building enclosure be at a distance of a fixed spacing double cast-in-situ bored pile 10,
The gravity dam that coupling beam 11 and concrete purlin 12 are formed, concrete purlin 12 are respectively arranged at 10 top of cast-in-situ bored pile, mix
It is connected between solidifying fortifield village's purlin 12 by coupling beam 11, built-in fitting 1 is along the 10 stake top coagulation of cast-in-situ bored pile on the inside of foundation pit
The setting of the interval of fortifield village's purlin 12.Spacing 6m being enclosed along foundation pit periphery one, one built-in fitting 1 being set, built-in fitting 1 can use
The perforation plug of reinforcing bar 35 that 9 HRB400 grades of diameters are 20mm can be arranged in 600mm × 600mm × 16mm steel plate therebetween
Weldering is connect with steel plate.
Please continue to refer to Fig. 1 to Fig. 6, the utility model additionally provides a kind of applying for diagonal brace of quickly meeting an urgent need for salvage of foundation pits
Work method, the foundation pit is by top of the slope road second level slope to foundation pit platform, subsequent earth excavation to bottom of foundation ditch, is at foundation pit platform
Supporting and retaining system formula building enclosure, side wall of the vertical direction of supporting and retaining system formula building enclosure on the inside of foundation pit are equipped with built-in fitting 1, should
Construction method includes:
The vertical direction of supporting and retaining system formula building enclosure installs built-in fitting 1 on the side wall on the inside of foundation pit；
Accordingly it is arranged after earth excavation in bottom of foundation ditch and thickeies bed course 32, and built-in fitting two is installed on thickening bed course 32
33, thicken bed course 32 from the bottom to top successively include steel pipe layer, steel bar layer and surface layer, steel pipe layer include it is several along interplanar every setting
Two-way steel pipe 50；Steel bar layer is double-layer double-direction reinforcing bar；
By the type steel support 34 of factory process lifting to corresponding position so that the both ends of type steel support 34 respectively with built-in fitting
1 and built-in fitting 2 33 be fully welded connection, form diagonal brace；
It is passed through respectively in type steel support 34 and steel plate for sealing water 40 is set at base plate of foundation pit 60 and structure outer plate 70.Particularly,
Steel plate for sealing water 40 is mutually perpendicular to, the steel plate for sealing water at bottom plate 60 along 34 periphery setting of type steel support, one circle with type steel support 34
The center of 60 thickness of bottom plate is arranged in 40 centers, and 40 center of steel plate for sealing water at structure outer plate 70 is arranged in exterior wall
70 plate thickness center of plate.
In the present embodiment, it is highly preferred that supporting and retaining system formula building enclosure be at a distance of a fixed spacing double cast-in-situ bored pile 10,
The gravity dam that coupling beam 11 and concrete purlin 12 are formed, concrete purlin 12 are respectively arranged at 10 top of cast-in-situ bored pile, mix
It is connected between solidifying fortifield village's purlin 12 by coupling beam 11, built-in fitting 1 is along the 10 stake top coagulation of cast-in-situ bored pile on the inside of foundation pit
The setting of the interval of fortifield village's purlin 12.Spacing 6m being enclosed along foundation pit periphery one, one built-in fitting 1 being set, built-in fitting 1 can use
The perforation plug of reinforcing bar 35 that 9 HRB400 grades of diameters are 20mm can be arranged in 600mm × 600mm × 16mm steel plate therebetween
Weldering is connect with steel plate.
The construction method is easy to operate, reduces the operation difficulty of construction site, at low cost, in large area, deep foundation pit soil
In square excavation construction, consolidation process can be carried out to foundation pit, prevent foundation pit from further deforming, the effect of emergency repair can be played
Fruit.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (5)
1. one kind is quickly met an urgent need diagonal brace for salvage of foundation pits, which is characterized in that the foundation pit is by top of the slope road second level slope to base
Cheat platform, subsequent earth excavation to bottom of foundation ditch is supporting and retaining system formula building enclosure at foundation pit platform, supporting and retaining system formula building enclosure it is vertical
Side wall of the direction on the inside of foundation pit is equipped with built-in fitting one；Bottom of foundation ditch corresponding position, which is equipped with, thickeies bed course, the thickening pad
Built-in fitting two is set on layer；It further include type steel support, the both ends of the type steel support are full with built-in fitting one and built-in fitting two respectively
Weldering connection, forms diagonal brace.
2. according to claim 1 quickly meet an urgent need diagonal brace for salvage of foundation pits, which is characterized in that the thickening bed course is under
Supreme includes successively steel pipe layer, steel bar layer and surface layer, and the steel pipe layer includes several along the spaced two-way steel pipe of plane；Institute
Stating steel bar layer is double-layer double-direction reinforcing bar.
3. according to claim 1 quickly meet an urgent need diagonal brace for salvage of foundation pits, which is characterized in that the type steel support passes through
Steel plate for sealing water is set at base plate of foundation pit and structure outer plate.
4. according to claim 3 quickly meet an urgent need diagonal brace for salvage of foundation pits, which is characterized in that the steel plate for sealing water along
One circle of type steel support periphery setting, is mutually perpendicular to type steel support, and the steel plate for sealing water center setting at bottom plate is in bottom plate thickness
The center of degree, the steel plate for sealing water center at structure outer plate are arranged at outer wallboard plate thickness center.
5. according to claim 1 quickly meet an urgent need diagonal brace for salvage of foundation pits, which is characterized in that the supporting and retaining system formula goes along with sb. to guard him knot
Structure is the gravity dam that the double cast-in-situ bored pile at a distance of a fixed spacing, coupling beam and concrete purlin are formed, the coagulation fortifield village
Purlin is respectively arranged at cast-in-situ bored pile top, is connected between concrete purlin by coupling beam, the built-in fitting one is along close to base
The cast-in-situ bored pile stake top concrete purlin interval setting of hole inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169814.4U CN209585054U (en) | 2018-12-24 | 2018-12-24 | One kind is quickly met an urgent need diagonal brace for salvage of foundation pits |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169814.4U CN209585054U (en) | 2018-12-24 | 2018-12-24 | One kind is quickly met an urgent need diagonal brace for salvage of foundation pits |
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| CN209585054U true CN209585054U (en) | 2019-11-05 |
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| CN201822169814.4U Active CN209585054U (en) | 2018-12-24 | 2018-12-24 | One kind is quickly met an urgent need diagonal brace for salvage of foundation pits |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555129A (en) * | 2018-12-24 | 2019-04-02 | 上海建工二建集团有限公司 | One kind is quickly met an urgent need diagonal brace and construction method for salvage of foundation pits |
| CN111364477A (en) * | 2020-03-24 | 2020-07-03 | 中国十七冶集团有限公司 | Waterproof construction method for penetrating basement exterior wall through support changing structure |
| CN114561956A (en) * | 2022-03-14 | 2022-05-31 | 上海市基础工程集团有限公司 | Emergency rescue structure for foundation pit engineering without inner support |
-
2018
- 2018-12-24 CN CN201822169814.4U patent/CN209585054U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555129A (en) * | 2018-12-24 | 2019-04-02 | 上海建工二建集团有限公司 | One kind is quickly met an urgent need diagonal brace and construction method for salvage of foundation pits |
| CN111364477A (en) * | 2020-03-24 | 2020-07-03 | 中国十七冶集团有限公司 | Waterproof construction method for penetrating basement exterior wall through support changing structure |
| CN114561956A (en) * | 2022-03-14 | 2022-05-31 | 上海市基础工程集团有限公司 | Emergency rescue structure for foundation pit engineering without inner support |
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