CN205662894U - Bulkhead wall formula retaining structure that fork stake and off -load board combined together - Google Patents
Bulkhead wall formula retaining structure that fork stake and off -load board combined together Download PDFInfo
- Publication number
- CN205662894U CN205662894U CN201620539231.4U CN201620539231U CN205662894U CN 205662894 U CN205662894 U CN 205662894U CN 201620539231 U CN201620539231 U CN 201620539231U CN 205662894 U CN205662894 U CN 205662894U
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- Prior art keywords
- wall
- pile
- stake
- retaining structure
- fork
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Abstract
The utility model discloses a bulkhead wall formula retaining structure that fork stake and off -load board combined together, include preceding sheet -pile wall, the stake of multiunit fork and L type cushion cap, stake of multiunit fork and preceding sheet -pile wall build in bottom L type cushion cap respectively, form overall structure, the stake of multiunit fork sets up the rear side of sheet -pile wall in the front. This bulkhead wall formula retaining structure utilizes L type cushion cap and fork stake to unite an atress, with the transmission of integral level load to darker foundation soil layer, play the good effect of building in, replaced the anchor that draws among the prior art, whole cling compound safety and stability coefficient improves more than 20%, preceding sheet pile shifts and has reduced more than 10%.
Description
Technical field
Retaining structure in harbour, dock, water conservancy and house construction engineering involved by this utility model, is particularly suitable for and port
The wall type soil-baffling structures such as mouth Wharf Engineering, revetment, underground structure.
Background technology
Wall type structure common type has gravity type and sheet pile formula.Wherein sheet pile bulkhead structure has easy construction, cost
The feature such as low, has a wide range of applications in harbour, dock, water conservancy and house construction engineering.
Known sheet pile bulkhead structure is mainly made up of structures such as front wall, anchor ingot pull bar, anchoring walls, hereinafter referred to as draws anchor formula
Sheet pile bulkhead structure.But when ground soil property is poor, during gear soil extended height, front wall stress and deformation can drastically strengthen, and need to increase
Add that front wall section, stake be long, anchor ingot pull bar section to improve safety and the durability of body of wall, considerably increase the investment of engineering.
The pull bar drawing anchor formula sheet pile bulkhead structure needs through multinomial techniques such as stretch-draw pre-buried, pre-, anticorrosions, and work progress is relative complex.
Rock-bolt length is the longest, is easily limited by place and cannot construct, and anchor structure top often deforms bigger.
For the problem drawing anchor formula sheet pile bulkhead structure to exist, design one can effectively reduce front wall soil pressure, and keep away
Exempt to use the quay wall structure of anchor structure, for reducing construction investment, accelerating construction progress, it is ensured that construction quality has important
Meaning.
Utility model content
The purpose of this utility model is that and overcomes the defect drawing anchor formula sheet pile bulkhead structure, design one fork stake and off-load
The wall type retaining structure that plate combines.The technical solution of the utility model is:
A kind of pitch the wall type retaining structure that stake combines with relieving slab, hold including front sheet-piled wall, many group fork stakes and L-type
Platform, many group fork stakes and front sheet-piled wall respectively with L-type cushion cap bottom build-in, form overall structure；Many group fork stakes are arranged on front sheet pile
The rear side of wall.
Further, described L-type cushion cap is integral cast-in-situ reinforced concrete structure, is made up of front wall and base plate, and L-type cushion cap often saves
Length 30m-50m.
Further, described front wall is vertical plate type, empty van formula or buttress type structure；Described base plate uses contignation,
Width is more than 5m；Wherein bottom girder center distance is 4m-5m, and between beam, plate thickness is 0.6-0.8m.
Further, front sheet-piled wall is diaphram wall, cast-in-situ bored pile, prefabricated sheet pile or the pile body of prefabricated tubular pile form
Structure.
Further, described front sheet-piled wall uses 600-1000mm thickness armored concrete ground-connecting-wall, point spoke length 6m；Or adopt
With the prefabricated sheet pile that thickness is 350-1000mm；Or using the cast-in-situ bored pile of a diameter of 800-1200mm, stake clearance control exists
Between 50-100mm；Or adopt the PHC pile tube of diameter 600-800mm, stake clearance control is between 50-100mm.
Further, being additionally provided with the seepage proof curtain of more than 1 row or 1 row after described front sheet-piled wall, described seepage proof curtain uses
High-pressure rotary jet grouting pile or mixing pile.
Further, described many group fork stakes use the prefabricated tubular pile of more than 2 groups, for the group of straight stake, forward or backwards taper pile
Close；Wherein the angle between forward and reverse taper pile is 12～18 °, and the slope in vertical direction is 5:1～4:1.
Advantageous Effects of the present utility model is:
(1) utilize L-type cushion cap and fork stake coaction, integral level load is transferred to deeper foundation soil, plays
Good wedge action, instead of the effect drawing anchor, it is adaptable to construction site is narrow and small, is not easy to bury underground pull bar and anchorage structures
Situation.
(2) utilize oblique bearing capacity of pile tip, improve the horizontal resist forces of pile body；The soil weight at Appropriate application cushion cap top, improves
The bending resistance of taper pile, shear resistance.
(3) front sheet-piled wall is applicable to the various ways such as diaphram wall, cast-in-situ bored pile, prefabricated sheet pile, prefabricated tubular pile
Pile body structure, applied widely, easy construction.
(4) front sheet-piled wall, fork stake, L-type cushion cap are integral with the inter-pile soil bodily form, raising wall type retaining structure entirety antiskid
Security performance.Be computed, with identical form of fracture draw anchor formula bulkhead wall retaining structure compared with, this utility model entirety antiskid safety
The coefficient of stability improves more than 20%, and the displacement of front sheet pile decreases more than 10%.
(5) prefabricated fork stake produces soil compaction effect, improves inter-pile soil intensity, and fork stake simultaneously has sheltering effects to front sheet-piled wall,
Decrease front wall soil pressure.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of wall type retaining structure；
Fig. 2 is the top view of L-type suspended deck structure in retaining structure；
Fig. 3 is the partial enlarged drawing of Fig. 2；
Fig. 4 is that retaining structure front sheet-piled wall A-A ' is to sectional view；
Fig. 5 is the structural representation of embodiment 2；
Wherein, before 1-front sheet-piled wall 1,2-L type cushion cap, 3-fork stake, 4-seepage proof curtain, 5-backfill soil, 6-wall before soil, 7-
Plate, 10-drainage prism, 11-inter-pile soil, 12-fire water box between wall, 8-bottom girder, 9-beam.
Detailed description of the invention
Pitch, as it is shown in figure 1, a kind of, the wall type retaining structure that stake combines with relieving slab, including front sheet-piled wall 1, organize fork more
Stake 3 and L-type cushion cap 2.L-type cushion cap 2 plays relieving slab effect, effectively reduces the horizontal earth pressure that front sheet-piled wall 1 is subject to, reduces header board
Stake stress.Arrange the prefabricated fork stake 3 of many groups on rear side of front sheet-piled wall 1, anchor with L-type cushion cap 2 bottom girder 8, many group fork stakes 3 after transmitting wall
Soil-water interaction load is to deeper foundation soil, with ground build-in.In the prior art, fork stake is used for generally as support member
Support platform, mainly make use of the vertical bearing capacity of fork stake, but in this utility model, inventor creatively uses fork stake embedding
Gu in ground, instead of and draw anchor, utilize oblique bearing capacity of pile tip, improve the horizontal resist forces of pile body.Front sheet-piled wall 1, fork stake 3, L-type
Cushion cap 2 and inter-pile soil 11 form entirety, improve quay wall entirety antiskid security performance.
Described L-type cushion cap 2 is integral cast-in-situ reinforced concrete structure, often joint length 30m-50m.7 nose girders of cushion cap front wall and breast
Wall effect, can make the structures such as vertical plate type, empty van formula or buttress type according to engine request；Cushion cap base plate plays relieving slab and anchoring
The effect of pile foundation, uses contignation, forms overall structure with forward position breastwork, and bottom girder 8 bottom is solid with fork piled anchor, bottom girder 8 center
Spacing controls between 4m-5m, and the thick 0.6-0.8m of plate 9 between beam, as in figure 2 it is shown, cushion cap baseplate width is generally higher than 5m.
Front sheet-piled wall 1 is applicable to the pile body knot of the forms such as diaphram wall, cast-in-situ bored pile, prefabricated sheet pile, prefabricated tubular pile
Structure.Use diaphram wall appropriate to the occasion employing 600-1000mm thickness armored concrete ground-connecting-wall, point spoke length 6m；Prefabricated sheet pile thickness
Generally 350-1000mm；Cast-in-situ bored pile preferably uses diameter 800-1200mm bored concrete pile, and stake gap control range is 50-
100mm；Pile tube preferably adopts diameter 600-800mm PHC pile tube, and stake gap control range is 50-100mm；
When using the pile body forms such as cast-in-situ bored pile, prefabricated sheet pile, prefabricated tubular pile, on rear side of campshed, arrange that 1-2 arranges antiseepage
Curtain 4, plays and prevents blending the soil body loss effect that prevents, and uses high-pressure rotary jet grouting pile or mixing pile, and other form does not enumerates.
Fork stake 3 use prefabricated tubular pile, typically set more than 2 groups fork stake 3, according to upper load situation can be straight stake, forward or
The reversely combination of taper pile.As Figure 2-3, taper pile arranges that the little horizontal angle α span of control used is 12-forward or backwards
18 °, the slop control scope of vertical direction is 5:1-4:1.All taper piles are each parallel to same inclined plane, it is to avoid each other
Collision, concrete method for arranging is as shown in Figure 1-2.
With specific embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment is the application at Wharf Engineering of this wall type structure, and overall structure is as shown in Figure 1.Harbour sets 12 altogether
Telescopic section, each flexible segment length 50.4m, expansion joint width 3cm, overall length 600m.Wharf apron longitudinal direction pile foundation is prefabricated campshed, between stake
Away from 70cm, selecting pre-stress concrete PHC-600 (110) B-C80 pile tube, between stake, rear side sets 2 row φ 600 and stirs pile protection and beat, and set hits
In the heart away from 500mm.Cast-in-place L-type cushion cap 2, bottom elevation 3.70m, apron piece top mark height 4.70m, cushion cap bottom girder 8 center distance is
4m, every cushion cap bottom girder 8 arranges 5 PHC-600 (110) AB-C80, and stake is long 30 meters, and taper pile arranges the little horizontal angle α used
Being 15 ° of angle of inclination 5:1, wherein two groups is fork stake, and another root is forward taper pile.Banket on bearing sheet after the wall of wharf apron and (blow
Back-up sand) to Wharf Surface absolute altitude 7.20m.This wall type structure entirety antiskid safety stability coefficient improves 25%, and front sheet pile conjugates
Decrease 10%.
Embodiment 2
The present embodiment is the application at another Wharf Engineering of this wall type structure.Quayage 400m, nominal telescope segment length
28.5m, expansion joint width 2cm.Wharf apron longitudinal direction pile foundation is prefabricated sheet pile, and sheet pile size 500*600 (thickness * width), after stake
If 1 row's φ 500@40 high-pressure powder spraying mixture pile.Cast-in-place L-type cushion cap 2, bottom elevation 3.70m, apron piece top mark height 4.70m, front
Wall 7 rear is provided with fire water box 12；Cushion cap bottom girder 8 center distance is 4.5m, and every cushion cap bottom girder 8 arranges 6 PHC-600
(110) AB-C80, stake is long 30 meters, and taper pile arranges that the little horizontal angle α used is 16 ° of angle of inclination 4:1 forward or backwards.Harbour
(hydraulic fill sand) is banketed on bearing sheet to Wharf Surface absolute altitude 7.50m after the wall of forward position.This wall type structure entirety antiskid safety and stability
Coefficient improves 30%, and the displacement of front sheet pile decreases 20%.
Embodiment described above only have expressed embodiment of the present utility model, and it describes more concrete and detailed, but also
Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that, for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into this
The protection domain of utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. pitch the wall type retaining structure that stake combines with relieving slab for one kind, it is characterised in that include front sheet-piled wall, many group fork stakes
With L-type cushion cap, many group fork stakes and front sheet-piled wall respectively with L-type cushion cap bottom build-in, form overall structure；Many group fork stakes are arranged on
The rear side of front sheet-piled wall.
Wall type retaining structure the most according to claim 1, it is characterised in that described L-type cushion cap is integral cast-in-situ reinforcing bar
Concrete structure, is made up of front wall and base plate, and L-type cushion cap often saves length 30m-50m.
Wall type retaining structure the most according to claim 2, it is characterised in that described front wall be vertical plate type, empty van formula or
Person's buttress type structure；Described base plate uses contignation, and width is more than 5m；Wherein bottom girder center distance is 4m-5m, thickness of slab between beam
Degree is 0.6-0.8m.
Wall type retaining structure the most according to claim 1, it is characterised in that front sheet-piled wall is diaphram wall, boring
Bored concrete pile, prefabricated sheet pile or the pile body structure of prefabricated tubular pile form.
Wall type retaining structure the most according to claim 4, it is characterised in that described front sheet-piled wall uses 600-1000mm
Thick armored concrete ground-connecting-wall, point spoke length 6m；Or the prefabricated sheet pile using thickness to be 350-1000mm；Or use a diameter of
The cast-in-situ bored pile of 800-1200mm, stake clearance control is between 50-100mm；Or adopt the PHC pile tube of diameter 600-800mm, stake
Clearance control is between 50-100mm.
Wall type retaining structure the most according to claim 1, it is characterised in that be additionally provided with 1 row or 1 after described front sheet-piled wall
Arranging above seepage proof curtain, described seepage proof curtain uses high-pressure rotary jet grouting pile or mixing pile.
Wall type retaining structure the most according to claim 1, it is characterised in that described many group fork stakes use more than 2 groups
Prefabricated tubular pile, for the combination of straight stake, forward or backwards taper pile；Wherein the angle between forward and reverse taper pile is 12～18 °, vertically
Slope on direction is 5:1～4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539231.4U CN205662894U (en) | 2016-06-02 | 2016-06-02 | Bulkhead wall formula retaining structure that fork stake and off -load board combined together |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539231.4U CN205662894U (en) | 2016-06-02 | 2016-06-02 | Bulkhead wall formula retaining structure that fork stake and off -load board combined together |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205662894U true CN205662894U (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620539231.4U Expired - Fee Related CN205662894U (en) | 2016-06-02 | 2016-06-02 | Bulkhead wall formula retaining structure that fork stake and off -load board combined together |
Country Status (1)
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| CN (1) | CN205662894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862663A (en) * | 2016-06-02 | 2016-08-17 | 江苏省水利勘测设计研究院有限公司 | Bulkhead wall type supporting and blocking structure with oblique piles and relieving slabs combined |
-
2016
- 2016-06-02 CN CN201620539231.4U patent/CN205662894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862663A (en) * | 2016-06-02 | 2016-08-17 | 江苏省水利勘测设计研究院有限公司 | Bulkhead wall type supporting and blocking structure with oblique piles and relieving slabs combined |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161026 |