CN207091851U - A kind of new road structure for being adapted to build on reclaimed ground - Google Patents
A kind of new road structure for being adapted to build on reclaimed ground Download PDFInfo
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- CN207091851U CN207091851U CN201720392877.9U CN201720392877U CN207091851U CN 207091851 U CN207091851 U CN 207091851U CN 201720392877 U CN201720392877 U CN 201720392877U CN 207091851 U CN207091851 U CN 207091851U
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- road structure
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- new road
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Abstract
The utility model discloses a kind of new road structure for being adapted to build on reclaimed ground, pass through the combination of geomembrane bag and light foam concrete on reclaimed ground, the characteristics of tensile property and light foam concrete unit weight that give full play to geomembrane bag are small, intensity is high, monocoque is formed on barged-in fill upper strata, to reach the bearing capacity of road foundation and compatibility of deformation ability.Set shearing friction pile to improve the anti-slip energy that inclines of roadbed simultaneously, quickly form road structure.Former reclaimed ground need not be handled, and just can directly be constructed so as to save substantial amounts of quantities and time, while save the resources such as sandstone, economical, environmentally friendly, efficient.
Description
Technical field
The utility model belongs to the technique of design and construction field of civil engineering soft foundation road structure, and in particular to one
The new road structure for being adapted to build on reclaimed ground of kind.
Background technology
Recently as the fast development of China's port construction, the phenomenon of land resource deficiency becomes increasingly conspicuous, reclaiming land around sea
Have become most of port cities now and solve the important means of industrial land.
Carrying out road construction on the larger hydraulic reclamation mud of thickness after reclaiming land around sea has two kinds of approach, and one kind is foundation stabilization,
Another is to be replaced original ultra-soft mud using new material.Using the first reinforcement means need by foundation stabilization into
There is certain bearing capacity, it is necessary to take a significant amount of time and expense；Another is to utilize new material by original ultra-soft mud
Displacement, make embankment dropping place in the higher soil layer of intensity, the method for usual this removing silt for replacement by packing sedimentation by throwing stones, building waste, blow
Back-up sand bag etc., backfill replacement amount is very big, and some areas building waste, sand and stone resources are in short supply, and quantities is big, costly.Cause
This in order to reduce cost and shorten the duration, it is necessary to research and develop a kind of road of rapid construction.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is new to be adapted on reclaimed ground
The road structure of structure.
The utility model is achieved through the following technical solutions：
A kind of new road structure for being adapted to build on reclaimed ground, chaste tree basketry, bamboo sheathing are laid on barged-in fill mud face
Or working cushion layer based on netted bamboo raft (1), be equipped with chaste tree basketry, bamboo sheathing or netted bamboo raft (1) by high strength membrane bag (3) and
The high strength membrane bag bubble concrete layer that foam concrete is formed；It is equipped with high strength membrane bag bubble concrete layer by normal film bag
(8) and the normal film bag bubble concrete layer that forms of foam concrete, and in the width of high strength membrane bag bubble concrete layer
Both sides be vertically arranged with shearing friction pile (7)；It is equipped with non-woven fabrics overcoat successively on normal film bag bubble concrete layer
(9) and earth bag overcoat (10), non-woven fabrics overcoat (9) and earth bag overcoat (10) cover whole basal plane, and its is edge embedded
The soil body；Lay sub-surface (13) and top course (12) successively on earth bag overcoat (10).
In the above-mentioned technical solutions, the high strength membrane bag bubble concrete layer includes 3-5 layers, and every layer by high strength membrane bag
(3) filling foam concrete is made in.
In the above-mentioned technical solutions, the normal film bag bubble concrete layer includes 1-3 layers, and every layer by normal film bag
(8) filling foam concrete is made in.
In the above-mentioned technical solutions, the high strength membrane bag (3) is sewed by high-strength braided cloth, is stitched using overseam or fourth
Method, broadwise ultimate strength are 56kN/m~70kN/m.
In the above-mentioned technical solutions, normal film bag (8) uses overseam or fourth stitch, broadwise ultimate strength be 22kN/m~
35kN/m。
In the above-mentioned technical solutions, it is I-shaped steel sheet pile, pile tube or timber to shear friction pile (7), and stake is long and stake diameter needs
To be determined according to combined factors such as geological conditions, foam concrete thickness density and upper loads.
In the above-mentioned technical solutions, it is vertically arranged with hole position in the both sides of the width of high strength membrane bag bubble concrete layer
Protection pipe (5), the shearing friction pile (7) are arranged in hole position protection pipe (5)；Hole position protection pipe (5) to be circular or rectangle,
Interior diameter or the interior length of side are greater than shearing friction pile 2cm~5cm, ferrous material, and carry out preservative treatment, can merogenesis installation, often
Section height is preferably 1m or so, with hole position tube chassis can be protected to be fixedly connected.
In the above-mentioned technical solutions, it is reserved with high strength membrane bag (3) for the sleeve (4) through hole position protection pipe (5), sleeve
Cylinder uses should be greater than hole position protection pipe (5) external diameter 3cm~5cm with high strength membrane bag identical material and sewing tech, sleeve diameter,
Junction can be sewed by the way of double-layered thickened or extension overlap joint.
The advantages of the utility model and have the beneficial effect that：
1, geomembrane bag is combined with light foam concrete, and rear integral rigidity is larger, and compatibility of deformation ability is strong；
2, light foam concrete gives full play to the advantages such as buoyancy, intensity and barrier properties, to meet the carrying needed for roadbed
Power demand；
3, it can directly be constructed on reclaimed ground, there is good adaptability；
4, shearing friction pile can construct under the state of road domain, economical, convenient, fast；
5, light foam concrete speed of application is fast, and intensity is adjustable, and general 30h or so just can reach final set state, road
Structure construction is stable, efficient, quick.
Brief description of the drawings
Fig. 1 is road structure schematic diagram of the present utility model.
Fig. 2 is A point close-up schematic views
In figure：0 is barged-in fill mud face, and 1 is chaste tree basketry, bamboo sheathing or netted bamboo raft, and 2 be foam concrete, and 3 be high strength membrane bag, 4
It is hole position protection pipe for sleeve, 5,6 be that hole position protects tube chassis, and 7 be shearing friction pile, and 8 be normal film bag, and 9 deploy troops on garrison duty for nonwoven
Sheath, 10 be earth bag overcoat, and 11 be slope shoulder, and 12 be top course, and 13 be sub-surface.
Embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment.
Road structure construction method of the present utility model is：
Step 1：The working cushion layer based on laying chaste tree basketry, bamboo sheathing or netted bamboo raft 1 on barged-in fill mud face 0, according to stake
Position situation lays hole position protection pipe chassis 6, and vertically-mounted hole position protection pipe 5；
Step 2：First layer high strength membrane bag 3 is laid on chaste tree basketry, bamboo sheathing or netted bamboo raft 1, and wears hole position protection pipe 5
The reserved sleeve 4 of high strength membrane bag is crossed, first layer foam concrete 2 is then filled into first layer high strength membrane bag 3, treats that first layer steeps
After foam concrete 2 is strong, this step is then repeated, continues new one layer of high strength membrane bag and lays and fill foam concrete, directly
At to construction to the top 1m~2m of barged-in fill mud face 0；
Step 3：Shearing friction pile 7 is carried out to construct：Shearing friction pile 7 is inserted vertically into hole position protection pipe 5, and according to road
The reserved shearing stake top absolute altitude of friction pile 7 of the estimated deflection of base, ensures foreign above stake top, slides unimpeded；
Step 4：Normal film bag 8 is laid, and fills foam concrete, after foam concrete is strong, then repeats this step
Suddenly, continue new one layer of normal film bag to lay and fill foam concrete, until construction to top (typically lays 2-3
Layer)；
Step 5：Non-woven fabrics overcoat 9 and earth bag overcoat 10 are laid, ensures non-woven fabrics overcoat 9 and earth bag overcoat
The 10 whole basal planes of covering, and by its edge embedded soil body；
Step 6：Slope shoulder 11 is built in construction by laying bricks or stones, and construct sub-surface 13 and top course 12, and road structure is completed.
In the present embodiment, foam concrete uses pumping construction, intensity 0.6MPa, is preferably 0.8m per thickness；
The high strength membrane bag 3 is sewed by high-strength braided cloth, and using overseam or fourth stitch, broadwise ultimate strength is
56kN/m~70kN/m；
The normal film bag 8 uses overseam or fourth stitch, and broadwise ultimate strength is 22kN/m~35kN/m；
The grade of side slope of the road structure eventually formed is preferably 2:1；
Shearing friction pile 7 is I-shaped steel sheet pile, pile tube or timber, and stake is long and stake diameter is needed according to geological conditions, foam
The combined factors such as concrete thickness density and upper load determine, according to the stake top of the reserved shearing friction pile of the estimated deflection of roadbed
Absolute altitude；
Hole position protection pipe 5 is circle or rectangle, and interior diameter or the interior length of side, which are greater than, shears friction pile 3cm, ferrous material,
And carry out preservative treatment, can merogenesis installation, often section height be preferably 1m, can with hole position protect tube chassis be fixedly connected；
Reserved sleeve 4 on high strength membrane bag 3 is answered using with high strength membrane bag identical material and sewing tech, the diameter of sleeve 4
More than the external diameter 4cm of hole position protection pipe 5, junction can be sewed by the way of double-layered thickened or extension overlap joint.
The sub-surface preferably uses cement stabilizing material, lime stabilization class material；
The top course is pitch stone material.
The road structure is combined by geomembrane bag with light foam concrete, gives full play to the tensile property of geomembrane bag
With the characteristics of light foam concrete unit weight is small, intensity is high, monocoque is formed on barged-in fill upper strata, to reach road foundation
Bearing capacity and compatibility of deformation ability；Set shearing friction pile to improve the anti-slip energy that inclines of roadbed simultaneously, can quickly form road knot
Structure.
Exemplary description is done to the utility model above, it should explanation, do not departing from core of the present utility model
In the case of the heart, any simple deformation, modification or other skilled in the art can not spend creative work etc.
The scope of protection of the utility model is each fallen within replacing.
Claims (7)
- A kind of 1. new road structure for being adapted to build on reclaimed ground, it is characterised in that：Laid on barged-in fill mud face Working cushion layer based on chaste tree basketry, bamboo sheathing or netted bamboo raft (1), it is equipped with chaste tree basketry, bamboo sheathing or netted bamboo raft (1) by high-strength The high strength membrane bag bubble concrete layer that film bag (3) and foam concrete are formed；It is equipped with high strength membrane bag bubble concrete layer The normal film bag bubble concrete layer being made up of normal film bag (8) and foam concrete, and in high strength membrane bag bubble concrete layer Width both sides be vertically arranged with shearing friction pile (7)；Nothing is equipped with successively on normal film bag bubble concrete layer Cloth overcoat (9) and earth bag overcoat (10) are spun, non-woven fabrics overcoat (9) and earth bag overcoat (10) cover whole basal plane, and Its edge embedded soil body；Lay sub-surface (13) and top course (12) successively on earth bag overcoat (10).
- A kind of 2. new road structure for being adapted to build on reclaimed ground according to claim 1, it is characterised in that： The high strength membrane bag bubble concrete layer includes 3-5 layers, and every layer is made by filling foam concrete in high strength membrane bag (3).
- A kind of 3. new road structure for being adapted to build on reclaimed ground according to claim 1, it is characterised in that： The normal film bag bubble concrete layer includes 1-3 layers, and every layer is made by filling foam concrete in normal film bag (8).
- A kind of 4. new road structure for being adapted to build on reclaimed ground according to claim 1, it is characterised in that： The high strength membrane bag (3) is sewed by high-strength braided cloth, using overseam or fourth stitch, broadwise ultimate strength be 56kN/m~ 70kN/m。
- A kind of 5. new road structure for being adapted to build on reclaimed ground according to claim 1, it is characterised in that： Normal film bag (8) uses overseam or fourth stitch, and broadwise ultimate strength is 22kN/m~35kN/m.
- A kind of 6. new road structure for being adapted to build on reclaimed ground according to claim 1, it is characterised in that： Hole position protection pipe (5), the shearing friction pile are vertically arranged with the both sides of the width of high strength membrane bag bubble concrete layer (7) it is arranged in hole position protection pipe (5).
- A kind of 7. new road structure for being adapted to build on reclaimed ground according to claim 6, it is characterised in that： It is reserved with high strength membrane bag (3) for the sleeve (4) through hole position protection pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392877.9U CN207091851U (en) | 2017-04-14 | 2017-04-14 | A kind of new road structure for being adapted to build on reclaimed ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392877.9U CN207091851U (en) | 2017-04-14 | 2017-04-14 | A kind of new road structure for being adapted to build on reclaimed ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207091851U true CN207091851U (en) | 2018-03-13 |
Family
ID=61550329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720392877.9U Expired - Fee Related CN207091851U (en) | 2017-04-14 | 2017-04-14 | A kind of new road structure for being adapted to build on reclaimed ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207091851U (en) |
-
2017
- 2017-04-14 CN CN201720392877.9U patent/CN207091851U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |