CN207228130U - A kind of city integrated piping lane foundation pit backfill processing combined system - Google Patents
A kind of city integrated piping lane foundation pit backfill processing combined system Download PDFInfo
- Publication number
- CN207228130U CN207228130U CN201721265214.7U CN201721265214U CN207228130U CN 207228130 U CN207228130 U CN 207228130U CN 201721265214 U CN201721265214 U CN 201721265214U CN 207228130 U CN207228130 U CN 207228130U
- Authority
- CN
- China
- Prior art keywords
- foundation pit
- pipe rack
- piping lane
- backfill
- plastic bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a kind of city integrated piping lane foundation pit backfill processing combined system, including foundation pit, Pipe rack is provided with the foundation pit, the Pipe rack top surface is provided with pre-buried plastic bolt, fish tail and waterproof layer is provided between the Pipe rack and pre-buried plastic bolt, the pre-buried plastic bolt is stretched out from fish tail and waterproof layer, the described one end of Pipe rack top surface away from pre-buried plastic bolt is provided with U-shaped nail, the Pipe rack side is provided with backfill embankment, direction earthwork grille is provided with the top of the Pipe rack and backfill embankment, one end of the direction earthwork grille is anchored on the pre-buried plastic bolt, the other end of the direction earthwork grille is anchored on the side wall of backfill embankment or foundation pit by U-shaped nail.By the above-mentioned means, direction earthwork grille paving mode can be improved, avoid anchoring from impacting Pipe rack, while refine city piping lane foundation pit backfilling material and compacting mode and standard, reduce differential settlement.
Description
Technical field
Municipal works technical field is the utility model is related to, is handled more particularly to a kind of city integrated piping lane foundation pit backfill
Combined system.
Background technology
City integrated piping lane is to build a tunnel space in Urban Underground, by electric power, communication, combustion gas, heat supply, plumbing
It is integrated in one etc. various utilities pipelines, is provided with special access hole, hoisting port and monitoring system etc., implement unified planning, system
One design, unified construction and management, are the important infrastructure and lifeline for ensureing city operations.In order to save the area, city
Pipe gallery is normally in the range of Road width, i.e., road build piping lane top in.
The backfill of piping lane foundation pit typically directly using sandstone, dirt or plain earthen backfill, has no specially treated measure.Due to pipe
The overall stiffness of corridor structure is big, the backfill embankment category flexible structure being mutually connected therewith, the two rigidity is different, and city integrated piping lane
Excavation pit is smaller, and excavation backfill in both sides can not use heavy-duty machinery to be compacted, after piping lane top road builds up and puts into effect, road
Based filler can conduct oneself with dignity with the action of wheel weight, produce Compression Settlement, faulting of slab ends is easily formed in piping lane marginal position, influence
Drive a vehicle comfortable and safe.
To solve the above-mentioned problems, in the prior art, two-way geotechnological lattice can be set at the top of Pipe rack with backfill embankment
Grid, are secondly followed closely in Pipe rack top surface in Pipe rack top surface nail, so that fixed direction earthwork grille；However, piping lane knot
Structure surrounding is both provided with fish tail and waterproof layer, if carrying out TGXG anchoring in Pipe rack outer wall, can destroy fish tail and waterproof layer, endangers
Evil Pipe rack safety.In order not to destroy waterproof layer, method that people use weight pressure fixing, i.e.,：In direction earthwork grille
On put stone, then backfilled roadbed supported filler, but direction earthwork grille does not stress in this kind of method, reduces by stretching two-way soil
Work grid reduces the effect of differential settlement to reach.In addition, it there is no the city integrated unified mark of piping lane foundation pit backfill processing at present
Accurate and treatment measures,《City integrated piping lane engineering legislation》(GB 50838-2015) only proposes the standard of being backfilling and compacted,
It is not directed to for how to reduce city integrated piping lane and backfill the differential settlement between embankment.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of city integrated piping lane foundation pit backfill processing combination system
System, for improving direction earthwork grille paving mode, avoids anchoring from impacting Pipe rack, reduces differential settlement；Together
When refine city integrated piping lane foundation pit backfilling material and compacting mode and standard, reduce differential settlement.
The technical solution that the utility model uses is to provide a kind of city integrated piping lane foundation pit backfill processing combination system
System, including foundation pit, is provided with Pipe rack in the foundation pit, the Pipe rack top surface is provided with pre-buried plastic bolt, described
Fish tail and waterproof layer is provided between Pipe rack and pre-buried plastic bolt, the pre-buried plastic bolt is from the fish tail and waterproof layer
Stretch out, the described one end of Pipe rack top surface away from pre-buried plastic bolt is provided with U-shaped nail, and the Pipe rack side is provided with
Embankment is backfilled, direction earthwork grille is provided with the top of the Pipe rack and backfill embankment, the one of the direction earthwork grille
End is anchored on the pre-buried plastic bolt, and the other end of the direction earthwork grille is anchored in backfill road by the U-shaped nail
On the side wall of dike or foundation pit.
Through the above technical solutions, pre-buried plastic bolt is arranged on Pipe rack top surface, do not influence inside Pipe rack
Reinforcing bar, transmits the risk of corrosion caused by also effectively prevent embedded bar in the prior art；Pre-buried plastic bolt and U-shaped nail
It is arranged to anchoring direction earthwork grille and provides effective way；The setting of fish tail and waterproof layer, can provide well for Pipe rack
Waterproof effect；Fixed form of such a direction earthwork grille on Pipe rack, can not only retain good waterproof effect,
And the paving mode of direction earthwork grille can be improved, give full play to the stretching action of direction earthwork grille.
Preferably, pre-buried depth of the pre-buried plastic bolt in Pipe rack is not less than 5cm, the pre-buried plastic spiral
Bolt is higher by fish tail and waterproof layer and is not less than 5cm.
Preferably, the lap width of the direction earthwork grille is not less than 50cm.
Preferably, the vertically and horizontally tensile strength of the direction earthwork grille is more than 50kn/m, the direction earthwork grille
Vertical/horizontal nominal elongation is more than 15%/13%.
Preferably, the U-shaped nail is made by plain bar.
Preferably, the anchoring spacing of the U-shaped nail is 50cm, and single foot of the U-shaped nail is highly not less than 35cm.
Preferably, sandstone is backfilled with the foundation pit of vertical cut, the height of the sandstone extends to Pipe rack top
Face, the compactness of the sandstone backfill are not less than 0.95.
Preferably, sandstone, the height about 2.5m of the sandstone backfill, the sand are backfilled with the foundation pit that slope is excavated
The compactness of stone backfill is not less than 0.95, the sandstone top surface to being backfilled with dirt between Pipe rack top surface, the dirt
Compactness is not less than 95%.
The beneficial effects of the utility model are：
1st, the tensioning effect of direction earthwork grille has been given full play to, differential settlement has been further reduced, it is wrong to reduce road
Typhoon danger；
2nd, city integrated piping lane foundation pit backfilling material and compacting mode and standard have been refined, has improved pipe gallery and backfill road
The rigidity linking of dike, reduces differential settlement, reduces road faulting of slab ends risk；
3rd, the design method mode supplemented with pipe gallery backfill embankment, has filled up professional standard blank.
Brief description of the drawings
Fig. 1 is that pre-buried plastic bolt shows in a kind of city integrated piping lane foundation pit backfill processing combined system of the utility model
It is intended to；
Fig. 2 is to hang down in a kind of city integrated piping lane foundation pit backfill processing combined system of the utility model suitable for pipe gallery
Head straight for the schematic cross-section dug；
Fig. 3 is to be put in a kind of city integrated piping lane foundation pit backfill processing combined system of the utility model suitable for pipe gallery
The schematic cross-section that slope is excavated；
The mark of each component is as follows in attached drawing：1st, foundation pit；2nd, Pipe rack；3rd, fish tail and waterproof layer；4th, pre-buried plastic bolt；
5th, U-shaped nail；6th, embankment is backfilled；7th, direction earthwork grille.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite
Define.
Embodiment 1：
A kind of city integrated piping lane foundation pit backfill processing combined system, as shown in Figure 1, including Pipe rack 2, in piping lane knot
The periphery of structure 2 is provided with fish tail and waterproof layer 3, for the simple waterproof for being simply positioned at 2 top surface of Pipe rack for describing, being presented in Fig. 1
Protective layer 3.2 top surface of Pipe rack is provided with pre-buried plastic bolt 4, pre-buried plastic bolt 4 can use PP highstrenghtpistons
Bolt.Pre-buried depth of the pre-buried plastic bolt 4 in Pipe rack 2 is not less than 5cm, and pre-buried plastic bolt 4 is higher by waterproofing protection
Layer 3 is not less than 5cm.When Pipe rack 2 is constructed, in 2 top surface of Pipe rack, on the position of 2 edge 1.5m of Pipe rack, often
Every the pre-buried plastic bolt 4 of the pre-buried 2 15~20cm long of 1m.Specific construction step is：2 concrete roof of Pipe rack pours,
After vibrating, when concrete reaches about 15-20min or so before initial set, pre-buried plastic bolt 4 is inserted into, after concrete final set,
Between 2 top surface of pre-buried plastic bolt 4 and piping lane roof construction, the fish tail and waterproof layer of brushing asphalt cement, finally unified brushing top surface
3, so on the basis of ensureing that there is good waterproofing effect, pre-buried plastic bolt 4 is anchored to the top surface of Pipe rack 2.
As depicted in figs. 1 and 2, Pipe rack 2 is arranged in foundation pit 1, and 2 top surface of Pipe rack is away from pre-buried plastic bolt 4
One end be provided with it is U-shaped nail 5.U-shaped nail 5 is made of plain bar, and wherein plain bar can use 6.5 model of diameter, U-shaped
Single foot of nail 5 is highly not less than 35cm.In 2 top surface of Pipe rack, in the range of foundation pit 1 bankets, one layer of direction earthwork grille of the wide bed
7.Direction earthwork grille 7 should meet its lap width, the lap width of direction earthwork grille 7 is not less than 50cm when being laid with.Pipe
One end of 2 top surface of corridor structure is fixed by pre-buried plastic bolt 4, is bound by special muscle；The other end is solid by U-shaped nail 5
Fixed, anchoring spacing is 50cm.Direction earthwork grille 7 generally draws plastic grill using polypropylene is double, it is desirable to vertically and horizontally tensile strength
More than 50kn/m, vertical/horizontal nominal elongation is more than 15%/13%.
As shown in Fig. 2, 2 side of Pipe rack is provided with backfill embankment 6, one end of direction earthwork grille 7 is exactly by U-shaped
Nail 5 is anchored on backfill embankment 6 or on the side wall of foundation pit 1.For the foundation pit 1 of vertical cut, piping lane is backfilled to using sandstone
2 top surface of structure, the compactness of sandstone backfill are not less than 0.95.After direction earthwork grille 7 is laid with, timely railway embankment filler is answered,
Directly be exposed to the sun for a long time excessively in order to avoid it receives sunlight, under normal circumstances, interval time must not exceed 24 it is small when.Backfill embankment 6
Filler it is general use 4% dirt, compactness is not less than 92%.In 4% grey 6 top surface of earthen backfill embankment, then set one layer it is two-way
TGXG 7, is laid with general roadbed treatment.
Embodiment 2：
Unlike embodiment 1, embodiment 2 is directed to the foundation pit for being excavated using slope, 2 bottom surface of Pipe rack
Backfilled above using sandstone, backfill height is about 2.5m, and the compactness of sandstone backfill is not less than 0.95.Sandstone is with up to piping lane knot
2 top surface of structure is tamped using 6% grey earthen backfill using light-duty machinery, it is desirable to which compactness is not less than 95%.Backfill embankment 6 is filled out
Material is general to use 4% dirt, and compactness is not less than 92%.In 4% grey 6 top surface of earthen backfill embankment, then one layer of two-way geotechnique is set
Grid 7, is laid with general roadbed treatment.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas, are equally included in the patent within the scope of the utility model.
Claims (8)
1. a kind of city integrated piping lane foundation pit backfill processing combined system, including foundation pit (1), the foundation pit (1) is interior to be provided with pipe
Corridor structure (2), it is characterised in that：Pipe rack (2) top surface is provided with pre-buried plastic bolt (4), the Pipe rack (2)
It is provided with fish tail and waterproof layer (3) between pre-buried plastic bolt (4), the pre-buried plastic bolt (4) is from the fish tail and waterproof layer
(3) stretched out in, the described one end of Pipe rack (2) top surface away from pre-buried plastic bolt (4) is provided with U-shaped nail (5), the piping lane
Structure (2) side is provided with backfill embankment (6), and two-way geotechnique is provided with the top of the Pipe rack (2) and backfill embankment (6)
Grid (7), one end of the direction earthwork grille (7) are anchored on the pre-buried plastic bolt (4), the direction earthwork grille
(7) the other end is anchored on the side wall of backfill embankment (6) or foundation pit (1) by the U-shaped nail (5).
A kind of 2. city integrated piping lane foundation pit backfill processing combined system according to claim 1, it is characterised in that：It is described
Pre-buried depth of the pre-buried plastic bolt (4) in Pipe rack (2) is not less than 5cm, and the pre-buried plastic bolt (4) is higher by waterproof
Protective layer (3) is not less than 5cm.
A kind of 3. city integrated piping lane foundation pit backfill processing combined system according to claim 1, it is characterised in that：It is described
The lap width of direction earthwork grille (7) is not less than 50cm.
A kind of 4. city integrated piping lane foundation pit backfill processing combined system according to claim 3, it is characterised in that：It is described
The vertically and horizontally tensile strength of direction earthwork grille (7) is more than 50kn/m, and the vertical/horizontal of direction earthwork grille (7) is nominally stretched
Long rate is more than 15%/13%.
A kind of 5. city integrated piping lane foundation pit backfill processing combined system according to claim 1, it is characterised in that：It is described
U-shaped nail (5) is made by plain bar.
A kind of 6. city integrated piping lane foundation pit backfill processing combined system according to claim 5, it is characterised in that：It is described
The anchoring spacing of U-shaped nail (5) is 50cm, and single foot of the U-shaped nail (5) is highly not less than 35cm.
A kind of 7. city integrated piping lane foundation pit backfill processing combined system according to claim 1, it is characterised in that：Vertically
Sandstone is backfilled with the foundation pit (1) excavated, the height of the sandstone extends to Pipe rack (2) top surface, and the sandstone returns
The compactness filled out is not less than 0.95.
A kind of 8. city integrated piping lane foundation pit backfill processing combined system according to claim 1, it is characterised in that：Slope
Sandstone is backfilled with the foundation pit (1) excavated, the height of the sandstone backfill is 2.5m, and the compactness of the sandstone backfill is not
Less than 0.95, the sandstone top surface is backfilled with dirt between Pipe rack (2) top surface, and the compactness of the dirt is not less than
95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265214.7U CN207228130U (en) | 2017-09-29 | 2017-09-29 | A kind of city integrated piping lane foundation pit backfill processing combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265214.7U CN207228130U (en) | 2017-09-29 | 2017-09-29 | A kind of city integrated piping lane foundation pit backfill processing combined system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207228130U true CN207228130U (en) | 2018-04-13 |
Family
ID=61850899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721265214.7U Active CN207228130U (en) | 2017-09-29 | 2017-09-29 | A kind of city integrated piping lane foundation pit backfill processing combined system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207228130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827350A (en) * | 2020-07-24 | 2020-10-27 | 中铁二院工程集团有限责任公司 | Construction method for prefabricated miniature pipe gallery square filling section |
-
2017
- 2017-09-29 CN CN201721265214.7U patent/CN207228130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827350A (en) * | 2020-07-24 | 2020-10-27 | 中铁二院工程集团有限责任公司 | Construction method for prefabricated miniature pipe gallery square filling section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107558480B (en) | The construction method of the reinforced ecological slope protection structure of roadbed three-dimensional water discharge | |
| CN103215960B (en) | Grouting method for high polymer vertical support system | |
| CN103669399B (en) | Concrete slab reinforced soil retaining wall and construction method thereof | |
| CN203320549U (en) | Reinforced gabion retaining wall of high slope in airport engineering | |
| CN105274922B (en) | A kind of antiskid key steel-pipe pile composite construction and method for repairing landslide roadbed | |
| CN210315102U (en) | Slope protection reinforced roadbed structure of composite ecological decoration panel | |
| JP6279945B2 (en) | Soil surface anti-slip method for earth structure | |
| CN201158826Y (en) | Earth work grille reinforced retaining wall | |
| CN205742175U (en) | A kind of steel construction protection wall of bored pile | |
| CN104878719B (en) | Mutual embedding reinforcement formula Ecological Retaining Wall construction method | |
| CN202969393U (en) | Ribbing load reduction structure of road high hill culvert | |
| CN105002916B (en) | A kind of construction method of immerseable embankment high slope interlocking ecological brick flexible protective structure | |
| CN109208545B (en) | Construction method of artificial landscape overflow dam with energy dissipation effect | |
| CN207878473U (en) | Layer depth foundation pit hangs foot stake supporting construction to Tu Yan in combination | |
| CN103334450B (en) | Construction method of pile precast slab retaining wall with drainage ditch | |
| CN208981282U (en) | A kind of high earthquake territory concrete face rockfill dam dam crest structure | |
| CN102817298B (en) | Construction method on frozen soil | |
| CN106836034B (en) | High-fill cover plate culvert flexible load shedding system and construction method | |
| CN106012971A (en) | Vegetation concrete protection slope and construction method thereof | |
| CN207228130U (en) | A kind of city integrated piping lane foundation pit backfill processing combined system | |
| CN219410355U (en) | Flexible side-width structure of high-fill embankment of existing railway | |
| CN211738217U (en) | Pipeline passes through river course and buries laying structure | |
| CN103410155B (en) | A kind of recyclable preposition assembling braced cuts structure and application process thereof | |
| CN110939142A (en) | Roadbed structure for side slope | |
| CN206298869U (en) | Free drainage concrete retaining wall structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |