CN109898522A - A kind of foundation pit support frame - Google Patents
A kind of foundation pit support frame Download PDFInfo
- Publication number
- CN109898522A CN109898522A CN201910300377.1A CN201910300377A CN109898522A CN 109898522 A CN109898522 A CN 109898522A CN 201910300377 A CN201910300377 A CN 201910300377A CN 109898522 A CN109898522 A CN 109898522A
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- China
- Prior art keywords
- foundation pit
- supporting element
- support frame
- groove
- base plate
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
Abstract
The present invention provides a kind of foundation pit support frame, is related to technical field of buildings.The foundation pit support frame includes: base plate of foundation pit, which is located at the bottom of foundation pit；Supporting element, the supporting element are located in foundation pit and are supported to rock-soil layer, and supporting element is located at the circumferential direction of base plate of foundation pit, which in a rectangular parallelepiped shape and is configured with cavity, and the bottom end of supporting element is lower than the base plate of foundation pit；Purlin beam, the purlin beam are used to support two opposite supporting elements, and the top of supporting element is arranged in purlin beam and supporting element opposite with two respectively is connect；And drainage element, which is set in rock-soil layer and drainage element is extending at least partially into cavity, and drainage element is for the water in rock-soil layer to be drained in cavity.The foundation pit support frame it is structurally reasonable, drainage effect is good, can effectively avoid foundation pit retaining wall from collapsing.
Description
Technical field
The present invention relates to technical field of buildings, in particular to a kind of foundation pit support frame.
Background technique
Pattern foundation pit supporting structure is the safety to guarantee Underground Construction and foundation pit surrounding environment, to foundation pit side-wall and surrounding enviroment
Supporting file, reinforcing and the safeguard measure of use, design requirement pattern foundation pit supporting structure should meet stable and deformation as a structural system
It is required that.
In the related technology, in the higher regional deep pit excavation of level of ground water, soil body water-bearing layer is cut off, underground water meeting
Foundation pit is constantly penetrated into, draining easily causes quicksand, slope instability not in time or declines foundation bearing capacity, or even foundation pit is caused to protect
Wall collapses.
Summary of the invention
The purpose of the present invention is to provide a kind of foundation pit support frame, it is easy because seeping water which solves foundation pit retaining wall
Cause quicksand, slope instability or foundation bearing capacity decline.
The embodiment of the present invention is achieved in that a kind of foundation pit support frame, comprising:
Base plate of foundation pit, the base plate of foundation pit are located at the bottom of foundation pit；
Supporting element, the supporting element are located in foundation pit and are supported to rock-soil layer, and the supporting element is located at the foundation pit bottom
The circumferential direction of plate, the supporting element in a rectangular parallelepiped shape and are configured with cavity, and the bottom end of the supporting element is lower than the base plate of foundation pit；
Purlin beam, the purlin beam are used to support two opposite supporting elements, and the purlin beam is arranged in the support
The top of the part and supporting element opposite with two respectively is connect；With
Drainage element, which is set in rock-soil layer and the drainage element is extending at least partially into the cavity, institute
Drainage element is stated for the water in rock-soil layer to be drained in the cavity.
Optionally, the relatively described supporting element inclination of the drainage element, and one end for protruding into the cavity of the drainage element
Extend towards the bottom of foundation pit；
The drainage element is hollow tubular structure, and the periphery wall of the drainage element is provided with and its internal water inlet being connected to
Gap, the water gap be formed in the drainage element towards the peripheral wall portions above foundation pit.
Optionally, the foundation pit support frame further include:
Support construction, one end of the support construction are connect with the base plate of foundation pit, the other end of the support construction with
The inner sidewall of the supporting element connects.
Optionally, the support construction includes:
Sliding block, the sliding block are slidably disposed in the inner sidewall of the supporting element and are capable of the inside of the relatively described supporting element
Wall positioning, the sliding block are used to move up and down along the short transverse of the supporting element；With
Extensible member, one end of the extensible member and the base plate of foundation pit are hinged, the other end of the extensible member and the cunning
Block is hinged.
Optionally, the extensible member includes:
Casing, described sleeve pipe are hollow structure open at one end, are provided with internal screw thread in described sleeve pipe, described sleeve pipe it is remote
One end from the opening is articulated with the base plate of foundation pit；With
One end of connecting screw, the connecting screw is protruded into described sleeve pipe by the opening and is connected with described sleeve pipe screw thread
It connects, the other end of the connecting screw and the sliding block are hinged.
Optionally, the foundation pit support frame further includes location structure, and the location structure includes:
The first groove being set on supporting element inner sidewall, first groove with the sliding block for being slidably connected；
It is set to the second groove of first groove two sides, which prolongs in the same direction with first groove
It stretches；
Middle part between first groove and second groove, the inner sidewall of the middle part are provided with rectangle
Through-hole, the rectangular through-hole are connected to first groove and second groove respectively；With
Threaded fastener, the threaded fastener prolong at least partially across the middle part and towards first groove
It stretches, the thread segment of the threaded fastener is connect with the sidewall thread of the sliding block.
Optionally, the foundation pit support frame further include:
Prestressed anchor, one end of the prestressed anchor are connect with the supporting element, the prestressed anchor it is another
End is protruded into rock-soil layer.
Optionally, the side of the close rock-soil layer of the supporting element is provided with lug boss, the lug boss in a rectangular parallelepiped shape and
It is arranged at intervals on the supporting element.
Optionally, the foundation pit support frame further include:
Fixed block, the fixed block are at least partly fixedly installed in the base plate of foundation pit, one end of described sleeve pipe with
The fixed block is hinged.
Optionally, the supporting element is welded by plurality of steel plates.
The beneficial effect of the embodiment of the present invention is: the foundation pit support frame it is structurally reasonable, it is practical, pass through drainage element
Water in rock-soil layer is drained in the supporting element with cavity, water in rock-soil layer is avoided to penetrate into foundation pit, thus avoid because
Quicksand, slope instability caused by infiltration or foundation bearing capacity decline, in addition, the water after drainage is directly entered in supporting element and is convenient for
Centralized processing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of foundation pit support frame provided in an embodiment of the present invention；
Fig. 2 is the partial structure diagram of the first groove and sliding block provided in an embodiment of the present invention；
Fig. 3 is the partial structure diagram of location structure provided in an embodiment of the present invention and sliding block；
Fig. 4 is the cross-sectional view of A-A in Fig. 3；
Fig. 5 is the structural schematic diagram of drainage element provided in an embodiment of the present invention.
Icon: 100- foundation pit；110- supporting element；111- cavity；The bottom end 112-；113- inner sidewall；120- base plate of foundation pit；
130- supporting beam；140- drainage element；141- water gap；150- prestressed anchor；160- lug boss；170- purlin beam；180-
Fixed block；190- casing；200- connecting screw；210- sliding block；220- threaded fastener；The first groove of 1131-；1132- second
Groove；1133- middle part；11331- through-hole；The first recess sidewall of 11311-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height
Less than second feature.
Refering to fig. 1, the embodiment of the present invention provides a kind of foundation pit support frame, which includes base plate of foundation pit 120, branch
Support member 110, purlin beam 170 and drainage element 140.
Specifically, the shape of the base plate of foundation pit 120 is adapted with the shape of foundation pit 100, it is generally the case that foundation pit 100
Shape is in the majority with rectangle.
Refering to fig. 1, in the present embodiment, supporting element 110 is welded by plurality of steel plates, and supporting element 110 is by rectangular-shape,
Its Inner Constitution cavity 111, therefore, the shape of the cavity 111 are also rectangular-shape, and supporting element 110 is located in foundation pit 100 and right
Rock-soil layer is supported, and supporting element 110 is located at the circumferential direction of base plate of foundation pit 120, by taking the shape of foundation pit 100 is rectangle as an example, is then propped up
The quantity of support member 110 is four, i.e. the circumferential direction that four supporting elements 110 are distributed in the base plate of foundation pit 120 in rectangle, and the supporting element
110 bottom end 112 is lower than base plate of foundation pit 120, is inserted into the bottom of foundation pit 100 due to supporting element 110, so that the supporting element
110 supporting intensity is high.
Refering to fig. 1, in the present embodiment, purlin beam 170 is used to support two opposite supporting elements 110, i.e. every two is opposite
Supporting element 110 between be provided with purlin beam 170, which is arranged in the top of supporting element 110 and passes through supporting beam
130 respectively the supporting element 110 opposite with two connect, which can be used armored concrete and pours, in addition, also
Fashioned iron can be used and supporting beam 130 is made to weld or be bolted with purlin beam 170.
Refering to fig. 1, drainage element 140 is set in rock-soil layer and drainage element 140 is extending at least partially into cavity 111, should
Drainage element 140 is for the water in rock-soil layer to be drained in cavity 111, so that the water for effectively preventing rock-soil layer penetrates into foundation pit
In 100, meanwhile, the water drained through drainage element 140 enters in supporting element 110, real convenient for focusing on to the water after drainage
When border is handled, the water being located inside supporting element 110 can be discharged by water pump.
Refering to fig. 1, further, which is obliquely installed, and drainage element 140 protrudes into chamber
One end of body 111 extends towards the bottom of foundation pit 100, is directly entered supporting element in this way, facilitating into the water in drainage element 140
110 inside.
Refering to fig. 1 and Fig. 2, specifically, drainage element 140 is hollow tubular structure, and the periphery wall setting of drainage element 140
Have and its internal water gap 141 be connected to, the water gap 141 be formed in drainage element 140 towards 100 top of foundation pit outside
Inner peripheral portion, water gap 141 can be avoided gravel and enter drainage element 140, and drainage element 140 is avoided to be blocked, in the present embodiment,
Quarter bend can be used in drainage element 140, and drainage element 140 is protruded into the closing open at one end in rock-soil layer and makes to be located in supporting element 110
It is open at one end, this way it is possible to avoid gravel etc. enters in drainage element 140, and water gap 141 is then arranged in drainage element 140
Top side, wherein the quantity of water gap 141 can be to be a plurality of, and a plurality of top for carrying out gap and being arranged in parallel in drainage element 140
Wire cutting machine processing can be used in side, the water gap 141.
In further embodiments, round tube can also be used in drainage element 140, and water gap is arranged on the periphery wall of round tube
141。
In the present embodiment, which further includes support construction.
Refering to fig. 1 and Fig. 3, support construction are used to reinforce the support to supporting element, one end of support construction and base plate of foundation pit
120 connections, the other end of support construction are connect with the inner sidewall 113 of supporting element 110, and support construction includes sliding block 210 and stretches
Part.
Wherein, the length of extensible member is adjustable, and sliding block 210 is slidably disposed on the inner sidewall 113 of supporting element 110 and energy
The inner sidewall 113 of enough relative supports 110 is fixed, and sliding block 210 is moved up and down along the short transverse of supporting element 110, and extensible member
One end and base plate of foundation pit 120 it is hinged, the other end and sliding block 210 of extensible member are hinged.
Threaded hole is provided on the two sidewalls of sliding block 210.
Refering to fig. 1, specifically, extensible member includes casing 190 and connecting screw 200.
Casing 190 is hollow structure open at one end, and the open end is connected to the inside of casing 190, is set in casing 190
It is equipped with internal screw thread, one end of the separate open end of casing 190 is articulated with base plate of foundation pit 120, and one end of connecting screw 200 is opened by this
Mouth is protruded into casing 190 and is threadedly coupled with casing 190, and the other end and sliding block 210 of connecting screw 200 are hinged, in this way, the branch
Support structure and base plate of foundation pit 120, supporting element 110 form triangle, effectively strengthen the support to supporting element 110, meanwhile, also keep away
Exempt from the excessive problem in the space at 100 middle part of occupancy foundation pit.
In addition, the inner sidewall 113 of adjusting extensible member relative support 110 can be passed through for the foundation pit 100 of different depth
Angle, so that the support construction is suitable for the foundation pit 100 of different depth.
Refering to Fig. 3, in the present embodiment, to position to sliding block 210, which further includes location structure,
In, location structure includes the first groove 1131 being set on the inner sidewall 113 of supporting element 110, is set to the first groove 1131
Second groove 1132 of two sides, the middle part 1133 between the first groove 1131 and the second groove 1132 and screw threads for fastening
Part 220.
Refering to Fig. 3, Fig. 4 and Fig. 5, the first groove 1131 extends along the short transverse of supporting element 110, and the first groove 1131
For rectangular channel, the first groove 1131 is slidably connected with sliding block 210, and the first recess sidewall 11311 is L-shaped, thus to sliding block 210
It is limited, improves its structural stability；Second groove 1132 also extends along the short transverse of supporting element 110, the second groove
1132 be also rectangular channel, and between the depth of the second groove 1132 and the depth of the first groove 1131, the two of the first groove 1131
Side is provided with the second groove 1132, and the inner sidewall 113 of the middle part 1133 is provided with rectangular through-hole 11331, the rectangular through-hole
11331 are connected to the first groove 1131 and the second groove 1132 respectively, in this way, threaded fastener 220 by the second groove 1132 into
Enter and pass through rectangular through-hole 11331, so that the thread segment of threaded fastener 220 can be with the threaded hole screw thread of sliding block 210
Connection, when sliding block 210 is moved to predetermined position, can position sliding block 210 by threaded fastener 220, adjusting side
Formula is convenient, good positioning effect.It should be noted that threaded fastener 220 can be bolt.
Refering to fig. 1, in the present embodiment, which further includes prestressed anchor 150, and the one of prestressed anchor 150
End is connect with supporting element 110, and the other end of prestressed anchor 150 protrudes into rock-soil layer.
Refering to fig. 1, in the present embodiment, the side of the close rock-soil layer of supporting element 110 is provided with lug boss 160, the protrusion
Portion 160 in a rectangular parallelepiped shape and is arranged at intervals on supporting element 110, which is poured by armored concrete, according to base
The specific depth in hole 100, may be selected that one or more is arranged in the short transverse of 100 retaining wall of foundation pit, when it is implemented, can
Framework of steel reinforcement is welded on supporting element 110 by the aperture on the retaining wall of foundation pit 100, then supporting element 110 is pacified together with framework of steel reinforcement
Loaded in foundation pit 100, meanwhile, preformed hole is opened up on supporting element 110 with will pass through preformed hole to the hole on 100 retaining wall of foundation pit into
Row pours, which can be avoided rock-soil layer slope instability, to enhance the stability of foundation pit 100.
Refering to fig. 1, in the present embodiment, which further includes fixed block 180, fixed block 180 it is at least partly solid
Surely be set in base plate of foundation pit 120, fixed block 180 can be fixed by welding on base plate of foundation pit 120, one end of casing 190 with
Fixed block 180 is hinged, in addition, fixed block 180 can be also threadedly coupled by bolt with base plate of foundation pit 120.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of foundation pit support frame characterized by comprising
Base plate of foundation pit, the base plate of foundation pit are located at the bottom of foundation pit；
Supporting element, the supporting element are located in foundation pit and are supported to rock-soil layer, and the supporting element is located at the base plate of foundation pit
Circumferential, which in a rectangular parallelepiped shape and is configured with cavity, and the bottom end of the supporting element is lower than the base plate of foundation pit；
Purlin beam, the purlin beam are used to support two opposite supporting elements, and the supporting element is arranged in the purlin beam
The top and supporting element opposite with two respectively is connect；With
Drainage element, which is set in rock-soil layer and the drainage element is extending at least partially into the cavity, the row
Water part is for the water in rock-soil layer to be drained in the cavity.
2. foundation pit support frame according to claim 1, which is characterized in that the relatively described supporting element inclination of the drainage element,
And one end for protruding into the cavity of the drainage element extends towards the bottom of foundation pit；
The drainage element is hollow tubular structure, and the periphery wall of the drainage element is provided with and its internal watering slot being connected to
Gap, the water gap be formed in the drainage element towards the peripheral wall portions above foundation pit.
3. foundation pit support frame according to claim 1, which is characterized in that the foundation pit support frame further include:
Support construction, one end of the support construction are connect with the base plate of foundation pit, the other end of the support construction with it is described
The inner sidewall of supporting element connects.
4. foundation pit support frame according to claim 3, which is characterized in that the support construction includes:
Sliding block, the sliding block be slidably disposed in the inner sidewall of the supporting element and be capable of the relatively described supporting element inner sidewall it is fixed
Position, the sliding block are used to move up and down along the short transverse of the supporting element；With
Extensible member, one end of the extensible member and the base plate of foundation pit are hinged, and the other end of the extensible member and the sliding block are cut with scissors
It connects.
5. foundation pit support frame according to claim 4, which is characterized in that the extensible member includes:
Casing, described sleeve pipe are hollow structure open at one end, are provided with internal screw thread, the separate institute of described sleeve pipe in described sleeve pipe
The one end for stating opening is articulated with the base plate of foundation pit；With
One end of connecting screw, the connecting screw is protruded into described sleeve pipe by the opening and is threadedly coupled with described sleeve pipe,
The other end of the connecting screw and the sliding block are hinged.
6. foundation pit support frame according to claim 4, which is characterized in that the foundation pit support frame further includes location structure,
The location structure includes:
The first groove being set on supporting element inner sidewall, first groove with the sliding block for being slidably connected；
It is set to the second groove of first groove two sides, which extends in the same direction with first groove；
Middle part between first groove and second groove, it is logical that the inner sidewall of the middle part is provided with rectangle
Hole, the rectangular through-hole are connected to first groove and second groove respectively；With
Threaded fastener, the threaded fastener extend at least partially across the middle part and towards first groove, institute
The thread segment for stating threaded fastener is connect with the sidewall thread of the sliding block.
7. foundation pit support frame according to claim 1, which is characterized in that the foundation pit support frame further include:
Prestressed anchor, one end of the prestressed anchor are connect with the supporting element, and the other end of the prestressed anchor is stretched
Enter in rock-soil layer.
8. foundation pit support frame according to claim 1, which is characterized in that the side of the close rock-soil layer of the supporting element is set
It is equipped with lug boss, which in a rectangular parallelepiped shape and is arranged at intervals on the supporting element.
9. foundation pit support frame according to claim 5, which is characterized in that the foundation pit support frame further include:
Fixed block, the fixed block are at least partly fixedly installed in the base plate of foundation pit, one end of described sleeve pipe with it is described
Fixed block is hinged.
10. -9 described in any item foundation pit support frames according to claim 1, which is characterized in that the supporting element is by plurality of steel plates
It is welded.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847810.0A CN113529737A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN201910300377.1A CN109898522B (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN202110847645.9A CN113529736A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300377.1A CN109898522B (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110847645.9A Division CN113529736A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN202110847810.0A Division CN113529737A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109898522A true CN109898522A (en) | 2019-06-18 |
| CN109898522B CN109898522B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910300377.1A Active CN109898522B (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN202110847645.9A Pending CN113529736A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN202110847810.0A Pending CN113529737A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110847645.9A Pending CN113529736A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
| CN202110847810.0A Pending CN113529737A (en) | 2019-04-15 | 2019-04-15 | Foundation pit support frame |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359466A (en) * | 2019-07-08 | 2019-10-22 | 中国建筑第八工程局有限公司 | Mechanical self-latching type hydraulic servo end construction and its construction method |
| CN110397041A (en) * | 2019-07-09 | 2019-11-01 | 珠海格力市政工程有限公司 | A kind of foundation pit support construction and the construction method based on this structure |
| CN111254940A (en) * | 2020-02-19 | 2020-06-09 | 吴秋敏 | Foundation pit supporting template for building foundation construction |
| CN111305233A (en) * | 2020-04-17 | 2020-06-19 | 中交一公局集团有限公司 | Axial force compensation type prestress fish-bellied foundation pit steel supporting structure and construction method thereof |
| CN111827302A (en) * | 2020-07-24 | 2020-10-27 | 重庆工程职业技术学院 | Foundation pit supporting device |
| CN113431052A (en) * | 2021-07-22 | 2021-09-24 | 吁伟 | Foundation pit prestress steel supporting system |
| CN114059554A (en) * | 2021-12-09 | 2022-02-18 | 深圳市基础工程有限公司 | Novel deep foundation pit inner support system with steel truss and inclined cast support and construction method |
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| CN114837195A (en) * | 2022-05-20 | 2022-08-02 | 中交二航局第四工程有限公司 | Construction method for supporting foundation pit of deep mud layer of high slope |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359466A (en) * | 2019-07-08 | 2019-10-22 | 中国建筑第八工程局有限公司 | Mechanical self-latching type hydraulic servo end construction and its construction method |
| CN110397041A (en) * | 2019-07-09 | 2019-11-01 | 珠海格力市政工程有限公司 | A kind of foundation pit support construction and the construction method based on this structure |
| CN111254940A (en) * | 2020-02-19 | 2020-06-09 | 吴秋敏 | Foundation pit supporting template for building foundation construction |
| CN111305233A (en) * | 2020-04-17 | 2020-06-19 | 中交一公局集团有限公司 | Axial force compensation type prestress fish-bellied foundation pit steel supporting structure and construction method thereof |
| CN111827302A (en) * | 2020-07-24 | 2020-10-27 | 重庆工程职业技术学院 | Foundation pit supporting device |
| CN111827302B (en) * | 2020-07-24 | 2021-09-03 | 重庆工程职业技术学院 | Foundation pit supporting device |
| CN113431052A (en) * | 2021-07-22 | 2021-09-24 | 吁伟 | Foundation pit prestress steel supporting system |
| CN114059554A (en) * | 2021-12-09 | 2022-02-18 | 深圳市基础工程有限公司 | Novel deep foundation pit inner support system with steel truss and inclined cast support and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113529736A (en) | 2021-10-22 |
| CN109898522B (en) | 2021-08-20 |
| CN113529737A (en) | 2021-10-22 |
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