CN208501694U - A kind of prefabricated component for close to type foundation pit - Google Patents
A kind of prefabricated component for close to type foundation pit Download PDFInfo
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- CN208501694U CN208501694U CN201721138620.7U CN201721138620U CN208501694U CN 208501694 U CN208501694 U CN 208501694U CN 201721138620 U CN201721138620 U CN 201721138620U CN 208501694 U CN208501694 U CN 208501694U
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- Prior art keywords
- close
- foundation pit
- prefabricated
- inserting column
- slot
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- 238000010276 construction Methods 0.000 claims abstract description 32
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000004574 high-performance concrete Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
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- 238000007906 compression Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a kind of prefabricated components for close to type foundation pit, including the supporting construction being set between hollow place and pitting, the supporting construction is the pattern that diaphram wall is combined by several continuous prefabricated unit bodies, and prefabricated unit body is composed of high performance concrete and glass fiber-reinforced polymer；It is respectively equipped with slot and inserting column at the top and bottom of each prefabricated unit body, slot and inserting column can be overlapped staggeredly, and overlapped up and down that part forms circular hole up and down for slot and inserting column；Being respectively arranged on the left side and the right side for each prefabricated unit body can match the close fin of overlap joint and groove.The utility model, which reinforces complicated aqueous high soft foundation, has significant advantage, and simple process, effect is obvious, and saving material, project cost are low, greatly shortens the construction period.
Description
Technical field
The utility model relates to civil engineering pattern foundation pit supporting structure field, specifically a kind of prefabricated structure for close to type foundation pit
Part.
Background technique
With the progress faster of urbanization, more and more personnel enter urban life, lead to the tight of town site
?.In order to make full use of the underground space, so that the construction of underground engineering be unable to do without deep-foundation pit engineering, and the construction of engineering is more
Intensively, and there are various foundation pit patterns, more and more foundation pit groups occur.These foundation pits group, which cheats, even to be cheated, cheats in hole
Complicated foundation pit group very big problem is brought to supporting.It is especially common and it is outstanding be close to type foundation pit, popular definition is
Adjacent small one and large one two close foundation pits.
For Adjacent Pit group or close to for type foundation pit, the excavation of closing foundation ditch will certainly be to the supporting of Adjacent Pit
The displacement of structure has an impact, and excavate sequencing and stage excavation number equally will cause Adjacent Pit supporting
The safety of structure.Simultaneously as the different stage excavation depth or sequence of excavation of foundation pit group's close proximity will lead to underground water
The crossfire in foundation pit group impacts the safety of foundation pit.
Currently, having soil-nail wall support, cement soil wall supporting, campshed supporting and underground for the traditional approach of pattern foundation pit supporting structure
The support patterns such as diaphragm wall, few support patterns for close to type foundation pit.Soil-nail wall support and cement soil wall supporting one
As be suitable for the foundation pit of shallow-layer, campshed adds suspension roof support to be not suitable for adjacent close street hole group, campshed supporting can play and
Good support action, but need to be arranged interlocking pile or double-row pile if necessary to supporting and sealing effect, it will certainly increase
Construction cost and duration, although cost is very high very well for diaphram wall effect.In summary, there is no be particularly suitable for for tight
The supporting scheme of adjacent type foundation pit.
Summary of the invention
The purpose of this utility model is to provide a kind of prefabricated components for close to type foundation pit, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of prefabricated component for close to type foundation pit, including the supporting construction being set between hollow place and pitting, institute
Stating supporting construction is the pattern that diaphram wall is combined by several continuous prefabricated unit bodies；The top of each prefabricated unit body
Slot and inserting column are respectively equipped with bottom, and slot and inserting column can be overlapped staggeredly, and overlapped up and down that part is formed for slot and inserting column
Circular hole up and down；Being respectively arranged on the left side and the right side of each prefabricated unit body can match the close fin of overlap joint and recessed
Slot.
As a further solution of the present invention: the prefabricated unit body is by high performance concrete and glass fiber-reinforced polymer group
It closes.
As a further solution of the present invention: the slot and inserting column are in the top and bottom of a prefabricated unit body
Two are respectively equipped with, each prefabricated unit body is made to be cross-linked into the structural style of a complete diaphram wall.
As a further solution of the present invention: the inserting column is arranged to hollow cylinder outstanding, slot is same
It is arranged to hollow cylinder, and there is step, lower part inserting column outstanding strict can injects on the step in upper socket.
As a further solution of the present invention: the cross section of the fin and groove is semicircle, and left side is prominent
Fin can the strict groove part with right side overlap.
Compared with prior art, the utility model has the beneficial effects that 1) the utility model combines precast assembly supporting
Thought, make close to there is more robust support system between type foundation pit, avoid Large Foundation Pit occur to small-scale pit side it is lateral
Displacement and infiltration, and then avoid surrounding soil that the disasters such as sedimentation occur；2) the utility model is by increasing passing through in prefab-form
Reinforcing bar is worn, the entire compression intensity of foundation pit is improved, thus the anti-shearing resistance stability of the entirety for improving foundation pit；3) this is practical new
The high-performance that type uses is mixed native to have very high intensity and good density with glass fiber-reinforced polymer material, and combining can
To improve the overall stability of foundation pit；4) the utility model is not only shortened using mode prefabricated outside the venue, that on-site hoisting is placed
Duration and reduce occupancy to construction site；5) the utility model is for having good support water stop close to hole soft soil foundation
Effect, and construction technology is simple, low cost, and may be reused.
The utility model, which reinforces complicated aqueous high soft foundation, has significant advantage, simple process, effect
Fruit is obvious, and saving material, project cost are low, greatly shortens the construction period.
Detailed description of the invention
Fig. 1 is close to type foundation pit plan view.
Fig. 2 is close to the supporting construction plan view between type foundation pit.
Fig. 3 is the structural schematic diagram of prefabricated unit body in supporting construction.
Fig. 4 is the structural schematic diagram of single prefabricated unit body.
Fig. 5 is the splicing construction schematic diagram of two prefabricated unit bodies.
Fig. 6 is the splicing construction schematic diagram of three prefabricated unit bodies.
Fig. 7 is the splicing construction schematic diagram of four prefabricated unit bodies.
Fig. 8 is the splicing construction schematic diagram of five prefabricated unit bodies.
Fig. 9 is the splicing construction schematic diagram of multiple prefabricated unit bodies.
Figure 10 is the applicating flow chart of prefabricated component.
In figure: 1- hollow place, 2- pitting, 3- supporting construction, 4- prefabricated unit body, 5- slot, 6- inserting column, 7- fin, 8- are recessed
Slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~10, in the utility model embodiment, a kind of prefabricated component for close to type foundation pit, including
The supporting construction 3 being set between hollow place 1 and pitting 2, the supporting construction 3 are combined by several continuous prefabricated unit bodies 4
At the pattern of diaphram wall, prefabricated unit body 4 is composed of high performance concrete and glass fiber-reinforced polymer, and height is not only utilized
The advantages of advantage that the intensity of performance concrete is high, density is good combines good glass fiber-reinforced polymer pull resistance and low cost again, tool
There are very high intensity and density；The top and bottom of each prefabricated unit body 4 are respectively equipped with slot 5 and inserting column 6, the slot
5 and inserting column 6 in the top and bottom of a prefabricated unit body 4 be respectively equipped with two, slot 5 and inserting column 6 can be overlapped staggeredly, be made each
A prefabricated unit body 4 connects into the structural style of a complete diaphram wall, and slot 5 and about 6 inserting column overlapped portion
Point circular hole up and down is formed, is placed in close between hole, not only making have firmer prop close to type foundation pit
System, while the sidesway of foundation pit in digging process is avoided, and sealing can be played the role of, it avoids due to ground caused by excavating
Danger caused by table sedimentation and lateral displacement of pit, the inserting column 6 are arranged to hollow cylinder outstanding, and slot 5 is similarly arranged to
Hollow cylinder, and there is step, lower part inserting column 6 outstanding strict can inject on the step in upper socket 5；Each
Being respectively arranged on the left side and the right side for prefabricated unit body 4 can match the close fin 7 of overlap joint and groove 8, the fin 7 and groove 8
Cross section be semicircle, and left side fin 7 outstanding can strict 8 part of groove with right side overlap, which can
To make outside the venue, scene carries out lifting placement, substantially reduces the duration, reduces the occupancy to construction site, and foundation pit
It may be reused after the completion of excavating.
This is directed to the construction method close to the prefabricated component of type foundation pit, comprising the following steps:
A. according to design requirement, surveying setting-out determines position and the drilling of foundation pit periphery of small-scale pit and Large Foundation Pit
The position of bored concrete pile；
B. after the completion of Large Foundation Pit and small-scale pit periphery bored pile construction, between small-scale pit and Large Foundation Pit
The excavation axis of measurement direction point new supporting structure；
C. construction guidance slot is arranged after guide groove is constructed according to excavation axis and carries out groove with groove excavating machinery
Excavation, excavate to design depth under 1.5 meters or less；
D. after the completion of channel excavation, the placement of New Supporting lifting component is carried out, bottom component, bottom component are first hung
After the completion of hanging, upper layer component staggeredly successively is hung, is buckled in upper layer component on two components of lower layer；
E. component is hung onto concordant with construction site or beyond construction site plane；
F. the stage excavation of foundation pit is carried out；
G. as the excavation of Large Foundation Pit and small-scale pit is completed, support unit, which can hang out repetition with lifting appliance, to be made
With groove is with native packing containing compacting.
1) the utility model combines the thought of precast assembly supporting, makes close to there is more robust prop between type foundation pit
System avoids Large Foundation Pit to small-scale pit side and lateral displacement and infiltration occurs, and then avoids surrounding soil that sedimentation etc. occurs
Disaster；2) the utility model runs through reinforcing bar by increasing in prefab-form, the entire compression intensity of foundation pit is improved, to mention
The high anti-shearing resistance stability of entirety of foundation pit；3) high-performance that the utility model uses is mixed can soil and glass fiber-reinforced polymer material tool
There are very high intensity and good density, combines the overall stability that foundation pit can be improved；4) the utility model is adopted
With mode over-the-counter prefabricated, that on-site hoisting is placed, the duration not only shortened but also reduce occupancy to construction site；5) this reality
With novel for having good support water stop effect close to hole soft soil foundation, and construction technology is simple, low cost, and can weigh
It is multiple to use.
The utility model, which reinforces complicated aqueous high soft foundation, has significant advantage, simple process, effect
Fruit is obvious, and saving material, project cost are low, greatly shortens the construction period.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (5)
1. a kind of prefabricated component for close to type foundation pit, special including the supporting construction being set between hollow place and pitting
Sign is that the supporting construction is the pattern that diaphram wall is combined by several continuous prefabricated unit bodies；Each prefabricated list
Slot and inserting column are respectively equipped at the top and bottom of first body, slot and inserting column staggeredly overlap, and overlapped up and down for slot and inserting column
Part forms circular hole up and down；Being respectively arranged on the left side and the right side for each prefabricated unit body can match overlap joint closely
Fin and groove.
2. the prefabricated component according to claim 1 for close to type foundation pit, which is characterized in that the prefabricated unit body
It is composed of high performance concrete and glass fiber-reinforced polymer.
3. it is according to claim 1 or 2 for close to type foundation pit prefabricated component, which is characterized in that the slot and
Inserting column is respectively equipped with two at the top and bottom of a prefabricated unit body, make each prefabricated unit body be cross-linked into one it is complete
The structural style of whole diaphram wall.
4. the prefabricated component according to claim 3 for close to type foundation pit, which is characterized in that the inserting column is arranged to
Hollow cylinder outstanding, slot is similarly arranged to hollow cylinder, and has step, and lower part inserting column outstanding can be tight
Close injects on the step in upper socket.
5. the prefabricated component according to claim 4 for close to type foundation pit, which is characterized in that the fin and groove
Cross section be semicircle, and left side fin outstanding can the strict groove part with right side overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138620.7U CN208501694U (en) | 2017-09-07 | 2017-09-07 | A kind of prefabricated component for close to type foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138620.7U CN208501694U (en) | 2017-09-07 | 2017-09-07 | A kind of prefabricated component for close to type foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501694U true CN208501694U (en) | 2019-02-15 |
Family
ID=65301427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721138620.7U Expired - Fee Related CN208501694U (en) | 2017-09-07 | 2017-09-07 | A kind of prefabricated component for close to type foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476315A (en) * | 2017-09-07 | 2017-12-15 | 东北大学 | A kind of prefabricated component and its construction method being directed to close to type foundation ditch |
-
2017
- 2017-09-07 CN CN201721138620.7U patent/CN208501694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476315A (en) * | 2017-09-07 | 2017-12-15 | 东北大学 | A kind of prefabricated component and its construction method being directed to close to type foundation ditch |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190215 Termination date: 20210907 |