CN205399398U - Underground continuous wall's prestressing force device - Google Patents
Underground continuous wall's prestressing force device Download PDFInfo
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- CN205399398U CN205399398U CN201620191086.5U CN201620191086U CN205399398U CN 205399398 U CN205399398 U CN 205399398U CN 201620191086 U CN201620191086 U CN 201620191086U CN 205399398 U CN205399398 U CN 205399398U
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- anchor ring
- wall
- corrugated tube
- strand wires
- steel strand
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Abstract
The utility model provides an underground continuous wall's prestressing force device, including steel strand wires and bellows, the bottom of the one end connecting reinforcement cage of bellows, steel strand wires pass the bellows, and outside intercommunication to the required fashioned wall body.
Description
Technical field
This utility model relates to the constructing structure of diaphram wall, particularly relates to the prestressing apparatus of a kind of diaphram wall.
Background technology
At present, in the foundation basic construction of industry and civil building engineering, diaphram wall is owing to can give full play to the bearing capacity of soil layer, and has the advantages such as rigidity is big, it is little to deform, bearing capacity is high, applicable mechanized construction, is therefore a kind of widely used foundation pit enclosure pattern.Wherein, the reinforcing bar in diaphram wall is an important component part of ground wall cost.
But, wall reinforcing bar is to configure according to geological conditions, cutting depth and impermeable role routinely.Generally wall steel ratio is relatively big, so causing that ground wall construction cost is relatively big, and in most cases wall is only used as the temporary structure of construction stage, plays gear soil, dash effect, and a greater number reinforcing bar being configured so that is a kind of wasting of resources actually.
Utility model content
The technical problems to be solved in the utility model is how to solve to configure in construction of diaphragm wall process the wasting of resources that a greater number reinforcing bar causes.
In order to solve this technical problem, this utility model provides the prestressing apparatus of a kind of diaphram wall, and including steel strand wires and corrugated tube, one end of described corrugated tube connects the bottom of steel reinforcement cage, described steel strand wires are through described corrugated tube, and are communicated to outside the body of wall of required molding.
Optionally, the prestressing apparatus of described diaphram wall also includes anchor ring, and the male cone that shape, size are mated with described anchor ring, described steel strand wires sequentially pass through described corrugated tube and anchor ring is communicated to outside the body of wall of required molding, described anchor ring opening is outwardly, described anchor ring filled in by described male cone, and described steel strand wires are held between described anchor ring and male cone.
Optionally, the prestressing apparatus of described diaphram wall also includes oviduct, and described corrugated tube, oviduct and anchor ring are sequentially connected with, and described steel strand wires sequentially pass through outside the body of wall that described corrugated tube, oviduct and anchor ring are communicated to required molding.
Optionally, described oviduct includes the base portion of ring-type and is located at the annular groove portion of described base portion one end, and the other end of described base portion connects described corrugated tube, and described anchor ring is inserted in described groove portion.
Optionally, described anchor ring includes the main part of ring-type and is located at the annular insertion section of described main part one end, and described oviduct is inserted in described insertion section, and the inner face of described main part is connected to the outer face of described oviduct.
Optionally, the inner side of described anchor ring is external opening part width, the shape of narrow base.
Optionally, the prestressing apparatus of described diaphram wall also includes backing plate, and described backing plate is positioned at outside described anchor ring, and its outer face abuts with the inner face of described anchor ring.
Optionally, the end of the body of wall of the required molding of the embedment of described steel strand wires is connected with pre-embedded steel slab.
Optionally, the end of described steel strand wires is stepped up by fixture and described pre-embedded steel slab.
This utility model considers a kind of device that can reduce ground wall amount of reinforcement when reservation wall intensity and toughness of design, utilizes the principle of concrete post-tensioning, it may be achieved reduce ground wall amount of reinforcement, reduce the purpose of cost.
Furthermore, it is understood that vertical for part main muscle is creatively replaced to corrugated tube when wall steel reinforcement cage integral lifting contentedly by this utility model, steel strand in corrugated tube.Meet lateral gear soil effect and under self stressing conditions, removing the main muscle of unnecessary steel reinforcement cage, not only meeting stress demand but also reduce the effect of unnecessary waste thus playing.Wall steel reinforcement cage presstressed reinforcing steel main instead wall steel reinforcement cage in ground of the present utility model is advocated muscle, and Bellows Length is identical with the main muscle of vertical applied force, and corrugated tube and steel reinforcement cage are fixed, it is to avoid build wall concrete shift off normal, facilitate tensioning construction.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the prestressing apparatus of the diaphram wall that this utility model one embodiment provides；
Fig. 2 is the application schematic diagram of the prestressing apparatus of diaphram wall in this utility model one embodiment；
In figure, 1-corrugated tube；2-steel strand wires；3-oviduct；31-base portion；32-groove portion；4-anchor ring；41-main part；42-insertion section；5-male cone；6-backing plate；7-vertical reinforcement；8-transverse steel.
Detailed description of the invention
Below with reference to Fig. 1 and Fig. 2, the prestressing apparatus of the diaphram wall that this utility model provides is described in detail, it is this utility model optional embodiment, it is believed that those skilled in the art do not change this utility model spirit and content scope in it can be modified and polishes.
Refer to Fig. 1 and Fig. 2, this utility model provides the prestressing apparatus of a kind of diaphram wall, and including steel strand wires 2 and corrugated tube 1, one end of described corrugated tube 1 connects the bottom of steel reinforcement cage, described steel strand wires 2 are through described corrugated tube 1, and are communicated to outside the body of wall of required molding.
Vertical for part main muscle is replaced to corrugated tube 1 when wall steel reinforcement cage integral lifting contentedly by this utility model, steel strand 2 in corrugated tube 1.(related request in corrugated tube 1 diameter base area wall design drawing vertical reinforcement diameter and pr estressed concrete design specification is determined), meet under lateral gear soil effect and self stressing conditions, removing the main muscle of unnecessary steel reinforcement cage, not only meeting stress demand but also reduce the effect of unnecessary waste thus playing.
Secondly, the main instead wall steel reinforcement cage of prestressing apparatus of the present utility model is advocated muscle, and Bellows Length is identical with vertical reinforcement, and corrugated tube and steel reinforcement cage are fixed, it is to avoid build wall concrete shift off normal, facilitate tensioning construction.
This utility model realizes reinforcing steel bar bear measure for carry out stretching construction after ground wall concrete strength reaches concrete post-tensioning code requirement.This utility model steel reinforcement cage is for ensureing diaphram wall reinforcing bar durability, to carrying out grouting behind shaft or drift lining in corrugated tube after stretching construction.
In this utility model optional embodiment, the prestressing apparatus of described diaphram wall also includes anchor ring 4, and the male cone 5 that shape, size are mated with described anchor ring 4, described steel strand wires 2 sequentially pass through described corrugated tube 1 and anchor ring 4 is communicated to outside the body of wall of required molding, described anchor ring 4 opening is outwardly, described anchor ring 4 filled in by described male cone 5, and described steel strand wires 1 are held between described anchor ring 4 and male cone 5.Some described steel strand wires 1 are uniformly distributed around described male cone 5.
In further alternative embodiment, the prestressing apparatus of described diaphram wall also includes oviduct 3, described corrugated tube 1, oviduct 3 and anchor ring 4 are sequentially connected with, and described steel strand wires 2 sequentially pass through described corrugated tube 1, oviduct 3 and anchor ring 4 and are communicated to outside the body of wall of required molding.
About the connection between described oviduct 3 and anchor ring 4, described oviduct 3 includes the base portion 31 of ring-type and is located at the annular groove portion 32 of described base portion 31 one end, and the other end of described base portion 31 connects described corrugated tube 1, and described anchor ring 4 is inserted in described groove portion 32.Described anchor ring 4 includes the main part 41 of ring-type and is located at the annular insertion section 42 of described main part 41 one end, described oviduct 3 is inserted in described insertion section 42, specifically, insert the groove portion 32 of oviduct 3, the inner face of described main part 41 is connected to the outer face of described oviduct 3, main part 41 is wider than described insertion section 42, and main part 41 inner face abuts the end in groove portion 32.
Relevant described anchor ring 4, the inner side of described anchor ring 4 is external opening part width, the shape of narrow base.Its form fit with male cone 5, it is possible to achieve the clamping of insertion.
Refer to Fig. 1, in this utility model one optional embodiment, the prestressing apparatus of described diaphram wall also includes backing plate 6, described backing plate 6 is positioned at outside described anchor ring 4, specifically, it is located at the outside in the groove portion 32 of described oviduct 3, and its outer face abuts with the inner face of described anchor ring 4.
In this utility model optional embodiment, the end of the body of wall of the required molding of embedment of described steel strand wires 2 is connected with pre-embedded steel slab.The end of described steel strand wires 2 is stepped up by fixture and described pre-embedded steel slab.Through pre-embedded steel slab bottom this utility model ground wall steel strand wires, steel strand wires and steel plate are by clamp, and after concrete perfusion reaches intensity, steel strand wires pass through steel plate by pressure dissipation to ground wall.
This utility model has following positive technique effect:
1, utilize prestressing force to replace tradition reinforcing bar, reduce amount of reinforcement, reduce ground wall cost.
2, decrease the ground wall steel reinforcement cage colligation time, accelerate the construction period.
3, the gross weight of single width ground wall is reduced, optimally the selection of wall reinforcing bar cage hoisting machinery.
The job step using prestressing apparatus of the present utility model is as follows:
1. during wall reinforcing bar binding, admittedly adopt presstressed reinforcing steel (corrugated tube and steel strand wires) to replace the vertical main muscle of part.
2. fixed with ground wall steel reinforcement cage bottom corrugated tube.
3. prestressing force head exposes ground wall top mark height, and prevents concrete from entering as protective measure.
4. wall concrete carries out stretching construction after reaching intensity.
In sum, this utility model considers a kind of device that can reduce ground wall amount of reinforcement when reservation wall intensity and toughness of design, utilizes the principle of concrete post-tensioning, it may be achieved reduce ground wall amount of reinforcement, reduce the purpose of cost.
Claims (9)
1. the prestressing apparatus of a diaphram wall, it is characterised in that: including steel strand wires and corrugated tube, one end of described corrugated tube connects the bottom of steel reinforcement cage, and described steel strand wires are through described corrugated tube, and are communicated to outside the body of wall of required molding.
2. the prestressing apparatus of diaphram wall as claimed in claim 1, it is characterized in that: also include anchor ring, and the male cone that shape, size are mated with described anchor ring, described steel strand wires sequentially pass through described corrugated tube and anchor ring is communicated to outside the body of wall of required molding, described anchor ring opening is outwardly, described anchor ring filled in by described male cone, and described steel strand wires are held between described anchor ring and male cone.
3. the prestressing apparatus of diaphram wall as claimed in claim 2, it is characterized in that: also include oviduct, described corrugated tube, oviduct and anchor ring are sequentially connected with, and described steel strand wires sequentially pass through outside the body of wall that described corrugated tube, oviduct and anchor ring are communicated to required molding.
4. the prestressing apparatus of diaphram wall as claimed in claim 3, it is characterized in that: described oviduct includes the base portion of ring-type and is located at the annular groove portion of described base portion one end, the other end of described base portion connects described corrugated tube, and described anchor ring is inserted in described groove portion.
5. the prestressing apparatus of diaphram wall as claimed in claim 3, it is characterized in that: described anchor ring includes the main part of ring-type and is located at the annular insertion section of described main part one end, described oviduct is inserted in described insertion section, and the inner face of described main part is connected to the outer face of described oviduct.
6. the prestressing apparatus of diaphram wall as claimed in claim 2, it is characterised in that: the inner side of described anchor ring is external opening part width, the shape of narrow base.
7. the prestressing apparatus of diaphram wall as claimed in claim 2, it is characterised in that: also including backing plate, described backing plate is positioned at outside described anchor ring, and its outer face abuts with the inner face of described anchor ring.
8. the prestressing apparatus of diaphram wall as claimed in claim 1, it is characterised in that: the end of the body of wall of the required molding of embedment of described steel strand wires is connected with pre-embedded steel slab.
9. the prestressing apparatus of diaphram wall as claimed in claim 8, it is characterised in that: the end of described steel strand wires is stepped up by fixture and described pre-embedded steel slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191086.5U CN205399398U (en) | 2016-03-11 | 2016-03-11 | Underground continuous wall's prestressing force device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620191086.5U CN205399398U (en) | 2016-03-11 | 2016-03-11 | Underground continuous wall's prestressing force device |
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| Publication Number | Publication Date |
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| CN205399398U true CN205399398U (en) | 2016-07-27 |
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| CN201620191086.5U Active CN205399398U (en) | 2016-03-11 | 2016-03-11 | Underground continuous wall's prestressing force device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603967A (en) * | 2016-03-11 | 2016-05-25 | 上海建工二建集团有限公司 | Prestressing device of underground diaphragm wall |
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2016
- 2016-03-11 CN CN201620191086.5U patent/CN205399398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603967A (en) * | 2016-03-11 | 2016-05-25 | 上海建工二建集团有限公司 | Prestressing device of underground diaphragm wall |
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| GR01 | Patent grant |