CN209722982U - A kind of pair of bracing wire beam foundation pit supporting construction - Google Patents
A kind of pair of bracing wire beam foundation pit supporting construction Download PDFInfo
- Publication number
- CN209722982U CN209722982U CN201920150247.XU CN201920150247U CN209722982U CN 209722982 U CN209722982 U CN 209722982U CN 201920150247 U CN201920150247 U CN 201920150247U CN 209722982 U CN209722982 U CN 209722982U
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- foundation pit
- bracing wire
- crown beam
- steel
- construction
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 235000014121 butter Nutrition 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A kind of pair of bracing wire beam foundation pit supporting construction, including along foundation pit two sides crown beam positioned opposite, support pile, to bracing wire, crown beam is nested in the top of support pile；Described is the steel wire bundle of more steel strand wires composition to bracing wire, PE pipe is embedded in the crown beam of every side, the lateral surface of crown beam is equipped with anchorage baffle, and multiple apertures are provided on anchorage baffle, and the both ends of steel wire bundle are fixed after sequentially passing through PE pipe, aperture by anchor head lockset；The advantage is that: spacing can be adjusted according to foundation pit actual conditions；Power transmission is clear, support system deformation is small；Construction space is big；Cost is lower, environmentally protective；Construction technology is simple, is not necessarily to preexisting hole.
Description
Technical field
The utility model relates to a kind of foundation pit supporting construction, specifically a kind of pair of bracing wire beam foundation pit supporting construction.
Background technique
With the increasing of construction market, town site an inch of land is an inch of gold, foundation pit in irregular shape occurs more and more.
To this two sides without supporting point and can not support replacement raised intermediate zone foundation pit, traditional deep foundation pit support mode stake+diagonal brace, but
Its working procedure is complicated, and diagonal brace need to wear outer wall of basement or plate face, causes supporting rod more inside foundation pit, stress it is larger and
When hole subsoil matter is poor, cost is higher, and the duration is longer and can not support replacement；
If the general anchor of anchor cable, anchor cable spacing is overstocked, and when construction need to adopt using stake+to cable bolting mode is drawn
Preexisting hole is carried out with drilling machine, if medially have barrier, causes anchor cable that can not construct.For there is protrusion ground in deep basal pit
Band, both sides do not have supporting point, and raised area height is higher, and two sides are made without supporting point, raised intermediate zone using Double-row Piles Support
Valence is higher, when using anchor pole or to anchor cable is drawn, needs a preparatory pore-forming and needs the processes such as slip casting, anchor pole induration after slip casting
Intensity reach after design strength 75% just can tensioning fixation, time-consuming, low efficiency.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of spacing can adjust according to foundation pit actual conditions；Power transmission is clear
Clear, support system deforms small；Construction space is big；Cost is lower, environmentally protective；Construction technology is simple, without the novel of preexisting hole
To bracing wire beam foundation pit supporting construction.
The technical solution adopted in the utility model is: a kind of pair of bracing wire beam foundation pit supporting construction, including along foundation pit two sides phase
To the crown beam of arrangement, support pile, to bracing wire, crown beam is nested in the top of support pile；Described is more steel strand wires compositions to bracing wire
Steel wire bundle, PE pipe is embedded in the crown beam of every side, the lateral surface of crown beam is equipped with anchorage baffle, is provided on anchorage baffle
Multiple apertures, the both ends of steel wire bundle are fixed after sequentially passing through PE pipe, aperture by anchor head lockset.
Further, it is also filled in the PE pipe for reducing the butter to frictional force between bracing wire and PE inside pipe wall.
Further, the steel wire bundle is made of four steel strand wires, and there are four apertures and arranged in arrays, steel strand wires point
It Chuan Guo not four holes on anchorage baffle.
Further, the area between two sides crown beam and support pile for no supporting point and can not support replacement protrusion medially
Band foundation pit.
The beneficial effects of the utility model and feature are:
1, spacing can be adjusted according to foundation pit actual conditions: be different to drawing anchor cable, chance excessive using an anchor density
It can not construct after barrier, the quantity of this system steel strand wires can be adjusted flexibly according to stress condition, flexibly set so as to basis
Spacing is set, encountering centre has barrier that can pass round.
2, power transmission is clear, support system deformation is small: stress system predominantly to drawing two sides to provide counter-force mutually, is twisted by steel
Line transmitting, deformation, to change to guy section product, can reduce deformation by adjusting steel strand wires quantity.
3, construction space is big: non-support structure in cheating leaves in peace with earthwork construction, leaves biggish construction to earth excavation
Space is conducive to accelerate the foundation pit construction duration.
4, cost is lower, environmentally protective: steel strand beam support system two sides are to pull-shaped Cheng Ziwen system, nothing in foundation pit
Supporting rod influences main body construction, and influences the duration without changeing support.After basement construction completes backfill, steel skein can be carried out
Recycling, it is environmentally protective, save project cost.
5, construction technology is simple, is not necessarily to preexisting hole；The fluting of one fixed spacing places steel wire bundle.
Detailed description of the invention
Fig. 1 is the overall structure diagram (transversal cross-section) of the preferred embodiment of the utility model；
Fig. 2 is the longitudinal cross-section structural schematic diagram at the place Figure 1A-A；
Fig. 3 is the overlooking structure diagram of Fig. 1；
Fig. 4 is the scene figure of Specific construction example；
Figure label respectively indicates: 1- crown beam, 2- support pile, 3-PE pipe, 4- anchorage baffle, 41- aperture, 5- anchor head lock
Tool, 6- are to bracing wire.
Specific embodiment
The utility model is further described with reference to the accompanying drawing:
Embodiment 1:
Please refer to Fig. 1, Fig. 2, Fig. 3, a kind of pair of bracing wire beam foundation pit supporting construction, including the hat positioned opposite along foundation pit two sides
Beam 1, support pile 2, to bracing wire 6, crown beam 1 is nested in the top of support pile 2, and the area between two sides crown beam 1 and support pile 2 is
Without supporting point and can not support replacement raised intermediate zone foundation pit.
Described is the steel wire bundle of more steel strand wires composition to bracing wire 6, is embedded with PE pipe 3 in the crown beam 1 of every side, is preced with
The lateral surface of beam 1 is equipped with anchorage baffle 4, and multiple apertures 41 are provided on anchorage baffle 4, and the both ends of steel wire bundle sequentially pass through PE pipe
3, fixed by anchor head lockset 5 (anchor head lockset is existing equipment) after aperture 41.
Embodiment 2:
It is with 1 difference of embodiment, is also filled in the PE pipe and rubs for reducing between bracing wire and PE inside pipe wall
The butter of power, filling butter make steel wire bundle simple in the complete recycling of foundation pit construction, and reduction is got rusty, so as not to cause environmental pollution and
Waste.
Embodiment 3:
Referring to figure 2., as another kind, preferred scheme, the steel wire bundle is made of four steel strand wires, and aperture 41 has
Four and arranged in arrays, steel strand wires are each passed through four holes on anchorage baffle 4, and when Specific construction can be according to actual loading feelings
Condition decreases or increases steel strand wires quantity.
Embodiment 4:
Referring to fig. 4, this example is that one 2 floor Real-estate Center of intermediate zone need opening quotation early period business, Real-estate Center's topography
Higher 26.55m, there are basements for surrounding, and since the construction period influences, when Real-estate Center's early period markets, surrounding basement can not
Construction is completed, and intermediate location needs to fill 10m higher than surrounding or so, wide 50 meters of marketing road, and this area needs to plant
Tree greening.Surrounding topography is lower, can not use stake+inner support support system.Conventional support pattern stake+diagonal brace, diagonal brace need to be worn
The prefabricated components that bottom plate, outer wall of basement but this project subject building use are crossed, need to be reserved perhaps according to diagonal brace prefabricated components
The multiple hole and later period can not support replacement.According to double-row pile, need reinforcing cost too high between stake.According to drawing anchor cable, and intermediate soil
Layer be plain fill layer can not preexisting hole, afforestation project among the overstocked influence of anchor cable.Finally using stake+to draw steel skein, to draw steel
Together, two sides support pile, crown beam, steel wire bundle self-contained stablize stress system, non-support structure in foundation pit to skein 6m left and right settings
And be not necessarily to support replacement, based on structure construction big space is provided.After the backfill of later period foundation pit, steel strand wires be may be recovered, and not have to shadow
The afforestation project of intermediate zone is rung, it is environmentally protective.
The utility model deep basal pit protrusion intermediate zone strange for shape and when barrier is locally present proposes one kind
Novel support pattern places steel wire bundle using fluting, and steel wire beam passes through crown beam (waling) for the support pile end of opposite sides
(diaphram wall top) is lockked with anchor head lockset, using the opposite Impact direction in two sides, is formed by steel wire bundle and is stablized to drawing
Stress system.Steel strand beam support system is of less demanding to foundation pit crater wall soil property situation, can be used for banketing, muck soil
Layer, because its stress system is transmitted predominantly to drawing two sides to provide counter-force mutually by steel strand wires.System deformation is mainly that steel twists
The material of line deforms, with the property of material, after length has much relations, intensity requirement to meet, and in the case where certain to elongation degree,
Guarantee the model that the control of foundation pit horizontal distortion allows in specification according to the sectional area that stress condition maximum among two sides increases material
Within enclosing.To pull-shaped Cheng Ziwen system, foundation pit is interior to influence main body construction without supporting rod for steel strand beam support system two sides,
And the duration is influenced without changeing support.After basement construction completes backfill, steel skein can be recycled, it is environmentally protective, save work
Journey cost.
This patent uses the slot grooving of a fixed spacing, if adjacent reinforcing bar line spacing, and nothing can suitably be adjusted by meeting barrier
Slip casting is needed, every beam steel strand wires use the PE protection of pipe full of butter, and steel wire bundle can extract recycling green out after the completion of easy construction
Environmental protection.The utility model stress is clear, support system deformation it is small, solve clear distance smaller section use to draw anchor cable it is closeer if it exists
Barrier can not construction problem.Meanwhile the utility model it is lesser to clear distance paddle it is filling roadbed using to draw anchor cable spacing compared with
It is close, filling construction duration and quality are influenced, it is adjustable to drawing steel skein pattern foundation pit supporting structure technique that harness spacing is adjusted using spacing, it gives
Maximum construction space is left and taken in construction.
One of steel wire bundle can be arranged according to stress size, certain distance to bracing wire beam foundation pit supporting construction system, if meeting
It can be arranged in barrier two sides with avoiding obstacles to barrier, preexisting hole is not necessarily to using slot grooving.Especially clear distance is smaller
High reclamation district, spacing appropriate is conducive to fill the construction and compacting of filler, accelerates the filling construction duration, and matter is filled in guarantee
Amount.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the structural relation and principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention.
The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of pair of bracing wire beam foundation pit supporting construction, including along foundation pit two sides crown beam positioned opposite (1), support pile (2), to drawing
Line (6), crown beam (1) are nested in the top of support pile (2)；It is characterized by: described is more steel strand wires compositions to bracing wire (6)
Steel wire bundle is embedded with PE pipe (3) in the crown beam (1) of every side, and the lateral surface of crown beam (1) is equipped with anchorage baffle (4), anchorage
Be provided on baffle (4) multiple apertures (41), the both ends of steel wire bundle sequentially pass through PE pipe (3), after aperture (41) by anchor head lockset
(5) fixed.
2. according to claim 1 to bracing wire beam foundation pit supporting construction, it is characterised in that: be also filled with use in the PE pipe
In reduction to the butter of frictional force between bracing wire and PE inside pipe wall.
3. according to claim 1 to bracing wire beam foundation pit supporting construction, it is characterised in that: the steel wire bundle is by four steel
Twisted wire composition, there are four apertures (41) and arranged in arrays, and steel strand wires are each passed through four holes on anchorage baffle (4).
4. according to claim 1 to bracing wire beam foundation pit supporting construction, it is characterised in that: two sides crown beam (1) and support pile
(2) area between for no supporting point and can not support replacement raised intermediate zone foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150247.XU CN209722982U (en) | 2019-01-29 | 2019-01-29 | A kind of pair of bracing wire beam foundation pit supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150247.XU CN209722982U (en) | 2019-01-29 | 2019-01-29 | A kind of pair of bracing wire beam foundation pit supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722982U true CN209722982U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920150247.XU Expired - Fee Related CN209722982U (en) | 2019-01-29 | 2019-01-29 | A kind of pair of bracing wire beam foundation pit supporting construction |
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| Country | Link |
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| CN (1) | CN209722982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897973A (en) * | 2021-11-02 | 2022-01-07 | 中建八局第四建设有限公司 | Mutual-pulling type foundation pit support structure and construction method |
-
2019
- 2019-01-29 CN CN201920150247.XU patent/CN209722982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897973A (en) * | 2021-11-02 | 2022-01-07 | 中建八局第四建设有限公司 | Mutual-pulling type foundation pit support structure and construction method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191203 |