CN203960849U - A kind of assemble type soft foundation charge preloading consolidation device - Google Patents
A kind of assemble type soft foundation charge preloading consolidation device Download PDFInfo
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- CN203960849U CN203960849U CN201420347524.3U CN201420347524U CN203960849U CN 203960849 U CN203960849 U CN 203960849U CN 201420347524 U CN201420347524 U CN 201420347524U CN 203960849 U CN203960849 U CN 203960849U
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- steel pipe
- pipe support
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- water pocket
- topping
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Abstract
The utility model discloses a kind of assemble type soft foundation charge preloading consolidation device, comprise steel pipe support, water pocket, topping, backing plate, side backplate, hook, backing plate is arranged on steel pipe support bottom, water pocket hangs over steel pipe support inside by the hook coordinating with it on the hanging hole on it and steel pipe support, water pocket top arranges inlet opening and steam vent, bottom sets out water hole, water pocket fills the volume that volume after water is greater than steel pipe support, water pocket outer wrap topping, be arranged on steel pipe support inside, be close to steel pipe support, water pocket fills the difference of height of water level and side backplate height after water and is less than 3m.This device resistance to overturning is higher, not only can reduce the consumption of the natural materials such as soil, sandstone, reduces experimentation cost, reduces workload, and simple to operate, and load controllability is strong, reduces environment pollution, and the scope of application is wider.
Description
Technical field
The utility model belongs to highway construction field in civil engineering, relates to a kind of piling prepressing device of soft foundation, relates in particular to a kind of assemble type soft foundation charge preloading consolidation device.
Background technology
Piling prepressing also claims preloading drainage consolidation method, is one of a kind of method of reinforcing soft ground, precompressed and the two kinds of modes of surcharge preloading of carrying such as is divided into.Its mechanism is exactly by top, place load application, and the pore water in the soil body is discharged along band drain, fixed gradually, ground generation sedimentation, and intensity progressively improves simultaneously.Existing piling prepressing technology is generally soil, sand material etc. to be filled to thing nearby evenly to place on soft base as piling prepressing load, completes piling prepressing process.This method need to consume a large amount of materials such as soil, sandstone, and cost is high, complicated operation, workload is large, and in material starvation areas such as some sandstones, piling prepressing is subject to materials limitations, piling prepressing scheme is often difficult to carry out, and has to change other technologies scheme, causes engineering cost to increase.In recent years, have in the industry scholar to propose to adopt water pocket to replace soil and sandstone material as prefabricating load, be mainly divided into column and horizontal two kinds of forms, it is limited that horizontal water pocket loads height of water level, is difficult to meet the needs of the special soft base of part to larger load.Meanwhile, because water pocket is cylindric, in water pocket, water is circular-arc distribution, causes load skewness; Between column water pocket group various piece, be connected by knot that can be undone by a pull band, although this load mode can ensure the needs of Special Roadbed to larger load, but easily run-off the straight in water filling and loading procedure, be difficult to ensure the resistance to overturning of water pocket, and because water pocket bottom pressure is larger, there is no local reinforcement measure, easily there is spalling in water pocket, has certain risk.
Chinese patent CN2644514Y discloses a kind of soft foundation charger, comprises the water pocket made from flexible waterproof material, and each water pocket top is equipped with opening, and also having the each water pocket of several bandings is the upright knot that can be undone by a pull band of water pocket.Although this device can solve the needs of soft foundation to larger prefabricating load; but because water pocket does not have supporting and safeguard measure around; easily run-off the straight in loading procedure; and water pocket bottom is directly placed on soft foundation; cause the skewness of load; simultaneously due to water pocket bottom, to bear larger hydraulic pressure strong, there is no local reinforcement measure, and water pocket material exists the risk of breaking.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, and a kind of assemble type soft foundation charge preloading consolidation device is provided, and this device has good stability, and load is evenly distributed, and intensity is high, and convenient disassembly can provide the feature of larger vertical load.
To achieve these goals, the utility model adopts following technical scheme:
A kind of assemble type soft foundation charge preloading consolidation device, comprise steel pipe support, water pocket, topping, backing plate, side backplate, hook, described backing plate is arranged on steel pipe support bottom, backing plate is construction formwork, plate thickness >=3cm, water pocket hangs over steel pipe support inside by the hook coordinating with it on the hanging hole on it and steel pipe support, water pocket top arranges inlet opening and steam vent, bottom sets out water hole, weep hole diameter is 4～7cm, inlet opening diameter is 9～11cm, water pocket fills the volume that volume after water is greater than steel pipe support, water pocket outer wrap topping, prevent from use destroying because friction causes water pocket, the size of topping and inner water pocket consistent, side backplate thickness 4～7cm, be arranged on steel pipe support inside, be close to steel pipe support, water pocket fills height of water level after water and the difference of side backplate height is less than 3m, backplate top, side arranges one deck rubber fender, fix on backplate with iron nail, side backplate is construction formwork.
Described steel pipe support is buckled and is formed by connecting by steel pipe by steel pipe, and bottom is 2m × 2m or 1m × 2m, and the distance of the two horizontal steel pipes in side is not more than 0.5m, on the rib of four vertical directions of steel pipe support, every 0.5m, hook is set from bottom to top.
Described water pocket divides water barrier and topping; inner side is water barrier; material is geomembrane; outside is topping; material is geotextiles; two films bond respectively in 12 positions corresponding to rib of steel pipe support, bond length >=10cm, and position corresponding with hook on steel pipe support in bonded areas arranges hanging hole.
The method to set up of described bracing means, comprises the following steps:
1) leveling region, place, at precompressed region pad plate;
2) steel pipe support is set, determines the height of steel pipe support according to the prefabricating load of design;
3) place side backplate, backplate top arranges one deck rubber fender;
4) place water pocket, bottom is paved, and surrounding is first connected with bottom hook, is connected from bottom to up successively with hook;
5) by water inlet to water pocket water filling, in the injecting process, keep the closure of the unimpeded and weep hole of steam vent;
6) inlet opening and steam vent are closed in water filling after completing, and carry out piling prepressing.Because squeeze time is longer, should make regular check on water sac sealing situation, prevent from causing and loading unsuccessfully because leaking.
Described topping is canvas material, and topping all wraps up inner water pocket.
Inlet opening and weep hole carry out local reinforcement measure, and inlet opening and weep hole position are provided with the rigid plastics of screw thread, in geomembrane inner side, prevent infiltration and pressure is excessive damages with high strength plastics glue.Inlet opening place arranges inlet opening capping, and weep hole place sets out water hole switch.
Backing plate covers whole weak soils and loads region.In order to prevent rupture failure, load is evenly distributed, the leveling of the backing plate bottom soil body.In use procedure, lay one deck backing plate.
For preventing that side backplate is toppled over before water filling, between backplate, embedded squeezing is arranged, the effect of backplate is for preventing that the spalling that causes bottom water pocket because upper pressure is excessive from destroying, for economic rationality, reduce workload, the comparable height of water level of backplate height is low, and backplate top should arrange one deck rubber fender, prevents the destruction of backplate corner angle to water pocket.
The effect of hook is in the injecting process, to hang up water pocket, and guarantee water filling is carried out smoothly, and after filling water, ensures that water pocket all directions are stressed evenly.
The beneficial effects of the utility model:
1, compared with the weight loading technique such as bracing means of the present utility model and existing utilization soil, sandstone, not only can reduce the consumption of the natural materials such as soil, sandstone, reduce experimentation cost, reduce workload, and simple to operate, load controllability is strong, reduces environment pollution.In material starvation areas such as some sandstones, piling prepressing is subject to materials limitations, utilizes soil, sandstone piling prepressing scheme to be often difficult to carry out, and bracing means of the present utility model is not subject to this condition restriction, and the scope of application is wider.
2, bracing means of the present utility model is compared with existing water pocket charger, and outside is supported by steel pipe support, can solve horizontal water pocket loading height of water level limited, is difficult to meet the problem of the needs of the special soft base of part to larger load.Meanwhile, topping is set in side and bottom arranges backing plate, can ensure that hydraulic pressure load is evenly distributed on the weak soil of precompressed region.Owing to there being the support action of steel pipe support, resistance to overturning is higher, can also solve the problem of column water pocket easy run-off the straight in water filling and loading procedure.
3, the utility model water pocket outer wrap has canvas material, can prevent the wearing and tearing to inner water pocket in test and unloading process, and can avoid the spalling of water pocket to destroy; Bottom and side arrange backing plate protection, not only can ensure being uniformly distributed of water ballast(ing), and can play the effect of the inner water pocket of protection.
4, this charger is assemblied to form by single bracing means, between each bracing means, is linked and is connect by steel pipe, resistance to overturning is good, convenient disassembly, be convenient to mobile, flexibility is high.
Brief description of the drawings
Fig. 1 is charger cell cube schematic diagram;
Fig. 2 is water pocket schematical top view;
Fig. 3 is water pocket bonding schematic diagram;
Fig. 4 is inlet opening capping;
Fig. 5 is weep hole switch;
Wherein: 1, steel pipe support, 2, water pocket, 3, hook, 4, side backplate, 5, backing plate, 6, weep hole, 7, steam vent, 8, inlet opening, 9, hanging hole, 10, bonded areas, 11, inlet opening capping, 12, weep hole switch.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Fig. 1～5, a kind of assemble type soft foundation charge preloading consolidation device, comprise steel pipe support 1, water pocket 2, backing plate 5, side backplate 4, hanging hole 9, described backing plate 5 is arranged on steel pipe support 1 bottom, backing plate 5 thickness >=3cm, backing plate 5 is construction formwork, water pocket 2 hangs over steel pipe support 1 inside by the hook 3 coordinating with it on the hanging hole 9 on it and steel pipe support 1, the effect of hanging hole 9 is in the injecting process, to hang up water pocket 2, guarantee water filling is carried out smoothly, and after filling water, ensure that water pocket 2 all directions are stressed evenly, water pocket 2 tops arrange inlet opening 8 and steam vent 7, bottom sets out water hole 6, weep hole 6 diameters are 4～7cm, inlet opening 8 diameters are 9～11cm, water pocket 2 fills the volume that volume after water is greater than steel pipe support 1, water pocket 2 outer wrap toppings, prevent from use destroying because friction causes water pocket 2, the size of described topping is consistent with inner water pocket 2, topping is canvas material, topping all wraps up inner water pocket 2, side backplate 4 thickness 4～7cm, be arranged on steel pipe support 1 inside, be close to steel pipe support 1, water pocket 2 fills height of water level after water and is less than 3m with side backplate 4 difference highly, backplate 4 tops in side arrange one deck rubber fender, fix on backplate 4 with iron nail, side backplate 4 is construction formwork.
Method to set up, according to on-the-spot piling prepressing region shape, area etc., appropriate design is distributed prepressing device position and quantity:
The first step: tentatively flatten region, place, make nothing compared with hollow place groove and projection, without relatively large shape rock and native gravel, at precompressed region pad plate 5, backing plate 5 should cover whole precompressed region, in order to prevent rupture failure, load is evenly distributed, backing plate 5 bottom soil body levelings;
Second step: install steel pipe support 1, steel pipe support 1 is buckled and is formed by connecting by steel pipe by steel pipe, the bottom size of each loading unit steel pipe support 1 is 2m × 2m or 1m × 2m, the distance of the two horizontal steel pipes in side is not more than 0.5m, on the rib of four vertical directions of steel pipe support 1, every 0.5m, hook 3 is set from bottom to top, the height of steel pipe support 1 is determined according to the prefabricating load of design, and should exceed height of water level 0.5m, if precompressed height of water level is below 5m, can suitably increase bottom size, row's steel pipe support 1 is set between adjacent loading unit;
The 3rd step: place side backplate 4, for preventing that side backplate 4 is toppled over before water filling, between side backplate 4, answer embedded squeezing to arrange, the effect of backplate 4 is for preventing that the spalling that causes bottom water pocket 2 because upper pressure is excessive from destroying, for economic rationality, reduce workload, the highly comparable height of water level of backplate 4 is low, and backplate 4 tops should arrange one deck rubber fender, prevents the destruction of backplate 4 corner angle to water pocket 2, the comparable height of water level of side backplate 4 is low, and the difference of height of water level and backplate 4 height should be less than 3m.Backplate 4 tops arrange one deck rubber fender, prevent the destruction of backplate corner angle to water pocket 2;
The 4th step: place water pocket 2, 2 points of water barriers of described water pocket and topping, inner side is water barrier, material is geomembrane, outside is topping, material is geotextiles, two films bond respectively in 12 positions corresponding to rib of steel pipe support 1, bond length >=10cm, position corresponding with hook 3 on steel pipe support 1 in bonded areas 10 arranges hanging hole 9, volume after water pocket 2 is poured water should be greater than the volume of steel pipe support Unit 1, bottom should be paved, surrounding is first connected with bottom hook 3, be connected with hook 3 respectively from bottom to up successively, water pocket 2 lower switches should be stretched out side backplate 4 by side backplate 4 holes,
The 5th step: inlet opening 8 and weep hole 6 carry out local reinforcement measure, inlet opening 8 and weep hole 6 positions are provided with the rigid plastics of screw thread, with high strength plastics glue in geomembrane inner side, prevent infiltration and pressure is excessive damages, 8 places, inlet opening arrange inlet opening capping 11, weep hole 6 places set out water hole switch 12, to water pocket 2 water fillings, should keep the unimpeded and closed weep hole switch 12 of steam vent 7 by water inlet 8 in the injecting process.
The 6th step: close inlet opening 8 and steam vent 7 by inlet opening capping 11 after water filling completes, carry out piling prepressing, because squeeze time is longer, should make regular check on water pocket 2 sealing situations, prevent from causing and loading unsuccessfully because leaking.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.
Claims (4)
1. an assemble type soft foundation charge preloading consolidation device, it is characterized in that, comprise steel pipe support, water pocket, topping, backing plate, side backplate, hook, described backing plate is arranged on steel pipe support bottom, plate thickness >=3cm, water pocket hangs over steel pipe support inside by the hook coordinating with it on the hanging hole on it and steel pipe support, water pocket top arranges inlet opening and steam vent, bottom sets out water hole, weep hole diameter is 4～7cm, inlet opening diameter is 9～11cm, water pocket fills the volume that volume after water is greater than steel pipe support, water pocket outer wrap topping, the size of described topping and inner water pocket consistent, side backplate thickness 4～7cm, be arranged on steel pipe support inside, be close to steel pipe support, water pocket fills the difference of height of water level and side backplate height after water and is less than 3m.
2. bracing means as claimed in claim 1, it is characterized in that, described steel pipe support is buckled and is formed by connecting by steel pipe by steel pipe, bottom is 2m × 2m or 1m × 2m, the distance of the two horizontal steel pipes in side is not more than 0.5m, on the rib of four vertical directions of steel pipe support, every 0.5m, hook is set from bottom to top.
3. bracing means as claimed in claim 1; it is characterized in that; described water pocket divides water barrier and topping; inner side is water barrier, and material is geomembrane, and outside is topping; material is geotextiles; two films bond respectively in 12 positions corresponding to rib of steel pipe support, bond length >=10cm, and position corresponding with hook on steel pipe support in bonded areas arranges hanging hole.
4. bracing means as claimed in claim 1, is characterized in that, backplate top, described side arranges one deck rubber fender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347524.3U CN203960849U (en) | 2014-06-26 | 2014-06-26 | A kind of assemble type soft foundation charge preloading consolidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347524.3U CN203960849U (en) | 2014-06-26 | 2014-06-26 | A kind of assemble type soft foundation charge preloading consolidation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203960849U true CN203960849U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347524.3U Withdrawn - After Issue CN203960849U (en) | 2014-06-26 | 2014-06-26 | A kind of assemble type soft foundation charge preloading consolidation device |
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| Country | Link |
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| CN (1) | CN203960849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881166A (en) * | 2021-01-29 | 2021-06-01 | 山东大学 | Device and method for testing stability of foundation in mining overall process and mining subsidence area |
-
2014
- 2014-06-26 CN CN201420347524.3U patent/CN203960849U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881166A (en) * | 2021-01-29 | 2021-06-01 | 山东大学 | Device and method for testing stability of foundation in mining overall process and mining subsidence area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |