CN208309654U - A kind of building subtracts shock insulation ground - Google Patents
A kind of building subtracts shock insulation ground Download PDFInfo
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- CN208309654U CN208309654U CN201820422678.2U CN201820422678U CN208309654U CN 208309654 U CN208309654 U CN 208309654U CN 201820422678 U CN201820422678 U CN 201820422678U CN 208309654 U CN208309654 U CN 208309654U
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Abstract
The utility model relates to a kind of buildings to subtract shock insulation ground, and the ground includes building foundation layer (2) in the foundation pit (1) inner upper of foundation pit (1), setting, the soil engineering bag layer that is arranged inside the foundation pit and is located at below the building foundation layer (2)；The soil engineering bag layer includes in soil engineering bag layer that is successively placed side by side and successively stacking up and down；The soil engineering bag (3) includes interior outer bag (31,32), freeze-proof liquid (4) are filled inside the inner bag (31), the external area filling particulate matter (5) formed between outer bag (32) inside of the inner bag (31).Compared with the existing technology, the ground of the utility model subtracts shock insulation function with good.
Description
Technical field
The utility model relates to building engineering field, in particular to a kind of building subtracts shock insulation ground.
Background technique
As Recent Seismicity is reinforced, earthquake disaster Burst frequency all over the world is also higher and higher.In order to reduce
Earthquake natural calamity gives mankind's bring Loss of Life and property, adds flexible media in building basic part to form shock insulation
Layer, is one of common method.
Soil engineering bag because of the significant advantages such as good engineering mechanical properties and environmentally protective, economy, construction be simple,
It is widely used in the basement process of all kinds of architectural engineerings.But when soil engineering bag is subtracted shock insulation ground as building, there is also more
Deficiency is mainly reflected in vertical bearing capacity and subtracts two aspects of isolation property.
Specifically, being filled mostly with clay or sand in previous soil engineering bag, and shape is mostly on subtracting isolation property
Flat, this not only causes horizontal direction elastic restoring force weaker, so that building lot can not automatically reset after earthquake, and compared with
Small depth-width ratio makes that its own shearing rigidity is larger, shear deformation ability is weaker, therefore isolation property is poor.In addition, practical work
Cheng Zhong, in order to reduce compressed stress suffered by soil engineering bag with guarantee ground safety, need to by a large amount of soil engineering bags at sustained height simultaneously
Discharge is set, and to share the total weight of upper building, this causes the whole shearing rigidity of ground bigger than normal, is difficult to superstructure reality
Existing horizontal direction shock insulation function, shear deformation ability also do not protrude.At the same time, since soil engineering bag generally uses flexible package material
Material causes the horizontal direction high damping shock absorption of soil engineering bag excellent so that being difficult to effectively transmit horizontal force between upper and lower adjacent layer soil engineering bag
Gesture is also unable to get and gives full play to.
In terms of vertical bearing capacity, concentrated because the flexible contact interface between the adjacent soil engineering bag of upper and lower layer will appear stress
Phenomenon keeps the entire compression bearing capacity of ground relatively low.In fact, at present soil engineering bag gene Carrying Capacity be only applied to it is all kinds of
Light construction occasion.
Utility model content
In view of the above problems, the purpose of this utility model is to provide one kind to have reduced levels to shearing rigidity and good
The building of vertical bearing capacity subtracts shock insulation ground, which can give full play to damping and isolation effect, while having environmentally protective, economical
It saves, the advantages such as simple of constructing.
The purpose of this utility model is further aspect is that provide a kind of with lower horizontal direction shearing rigidity and preferable
The building of shear deformation ability subtracts shock insulation ground.
The purpose of this utility model, which also resides in, provides a kind of building with compared with high-damping and favorable elasticity resilience performance
Subtract shock insulation ground.
The purpose of this utility model, which also resides in, to be provided a kind of building with good Compressive Bearing Capacity and subtracts shock insulation ground.
To achieve the goals above, the technical solution adopted in the utility model are as follows: a kind of building subtracts shock insulation ground, describedly
Base includes,
Foundation pit；
The building foundation layer of the foundation pit inner upper is set；
The soil engineering bag layer inside the foundation pit and being located at below the building foundation layer is set；
The soil engineering bag layer includes in soil engineering bag layer that is successively placed side by side and successively stacking up and down；
It is characterized by:
The soil engineering bag includes inner bag and covers the outer bag outside inner bag；
Freeze-proof liquid is filled inside the inner bag；
The closed area filler particles substance formed between outer bag inside outside the inner bag.
Preferably, the soil engineering bag is column structure；
The inner bag exterior angle is matched the region segmentation with outer bag interior angle into four subintervals.The sack of column structure
And the structure in subinterval not only facilitates the practical depth-width ratio for increasing soil engineering bag, the horizontal direction shearing resistance for reducing soil engineering bag itself is rigid
Degree, while help to make each subinterval answers pressure and shearing stress distribution more uniform.
Preferably, armored concrete stiffened panel is equipped between upper layer soil engineering bag and lower layer's soil engineering bag.Armored concrete stiffened panel
The Compressive Bearing Capacity of soil engineering bag ground can be helped to improve as the separation between each layer soil engineering bag.
Preferably, the freeze-proof liquid is antifreeze salt water.The water of zero shearing rigidity spy's reduced performance soil engineering bag itself of water
Put down to shear stiffness, mobility and Incoercibility are able to achieve the Automatic Levelling of soil engineering bag upper and lower surface, while can with it is inside and outside
Particulate material between bag bears the vertical pressure of upper building jointly.In addition, freeze-proof liquid can will also erect suffered by itself
It is converted into the lateral compression of outer bag locating for particulate matter to pressure, makes outer bag three dimension stress state, helps to reduce packaging
Bag tensile stress, therefore further improve the vertical load-bearing safety of soil engineering bag.
Inner bag liquid leakage in order to prevent, the inner bag are made of waterproof geotextiles, and the outer bag is using waterproof or not
Waterproof geotextiles are made.
Preferably, flexible filler is equipped between soil engineering bag layer outside on the outside of the foundation pit inner wall and building foundation layer.It should
Flexible filler does not have the ability of transmitting horizontal earthquake effect, to occur that horizontal direction is shear-deformable provides to subtract shock insulation ground
Activity space.
Preferably, concrete cushion is also equipped with below the soil engineering bag layer.
Preferably, the main component of the antifreeze salt water is calcium chloride or sodium chloride.
Compared with the prior art, the advantages of the utility model are: being improved to existing soil engineering bag structure, set
It counts into inside and outside two layers, inner bag fills antifreeze salt water, and outer bag fills elastic sand grains and rubber grain mixture, and will be between interior outer bag
Region is separated into multiple subintervals from corner, and the horizontal direction shearing resistance that the mobility of water can be made full use of to reduce soil engineering bag itself is rigid
Degree, moreover it is possible to using the characteristic in subinterval and rubber grain, so that soil engineering bag internal compressive stress and shear stress are more uniform, and have
Higher damping damping and favorable elasticity restoring force；And armored concrete stiffened panel is arranged between upper and lower level soil engineering bag effectively to be overcome
The problem of directly contact causes contact interface drawing crack between soil engineering bag, reduces ground Compressive Bearing Capacity；And cooperate ground periphery of inner wall
The flexible filler of setting, for ground horizontal direction it is shear-deformable activity space is provided, effectively realize ground subtract shock insulation effect
Fruit.
Detailed description of the invention
Fig. 1 is that a kind of building of embodiment of the utility model subtracts shock insulation foundation structure schematic diagram.
Fig. 2 is a kind of soil engineering bag top view of embodiment of the utility model.
Fig. 3 be Fig. 2 along A-A to cross-sectional view.
Fig. 4 is that the building of another embodiment of the utility model subtracts shock insulation foundation structure schematic diagram.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Embodiment one
A kind of building as shown in Figs. 1-3 subtracts shock insulation ground, and the ground includes foundation pit 1, positioned at 1 upper layer of foundation pit
Building foundation layer 2, the soil engineering bag layer positioned at 2 lower section of the building foundation layer, the soil engineering bag layer include in successively placed side by side and
The soil engineering bag 3 successively stacked up and down, as shown in Figures 2 and 3, the soil engineering bag 3 include interior outer bag 31,32, and the inner bag 31 is filled out
Freeze-proof liquid 4 is filled, the liquid 4 is the antifreeze salt water that main component is made of calcium chloride or sodium chloride in the present embodiment, this is anti-
The concentration for freezing salt water can be preset according to the minimum temperature limiting value in construction place, and corresponding minimum adaptations of the antifreeze salt water is warm
Degree can reach -50.6 DEG C, be suitble to China overwhelming majority area.
With continued reference to Fig. 2 and Fig. 3, filler particles substance 5 in the region that is formed between the inner bag 31 and outer bag 32, the particle
Substance 5 can be sand grains, and soil engineering bag can be filled and provide the substance of resistance to compression and bearing capacity by being also possible to other, in the present embodiment
In, the particle is the mixture of sand particle and rubber grain.
The inner bag of soil engineering bag fills antifreeze salt water, on the one hand can use zero shearing rigidity characteristic of water, reduces soil engineering bag
The horizontal direction shear stiffness of itself；On the other hand, water and peripheral granule substance bear the vertical pressure of upper building, energy jointly
Reduce the vertical carrying burden of soil engineering bag.
In addition, the incompressible and flowable characteristic of salt water make soil engineering bag construction when can be completed upper and lower surfaces from
Move levelling, without artificial interference, and the flowability of water can also be such that the ground residual deformation after earthquake eliminates automatically --- water
Flow tendency be to be overlapped the center of gravity of water bag with geometric center, accomplish to automatically reset.Meanwhile sand is filled inside geotechnological Over-bag
The mixture of particle and rubber grain can make soil engineering bag while have high-damping and elastic restoring force characteristic.
As the improvement of the utility model, the soil engineering bag 3 uses column structure；31 exterior angle of inner bag and 32 interior angle phase of outer bag
Cooperation is by the region segmentation between interior outer bag at four subintervals.Specific to the present embodiment, the soil engineering bag 3 of the utility model is side
The exterior angle of shape column structure, inner bag 31 is connected with the interior angle of outer bag 32 by geotextiles, and the connection is by the region segmentation between the two
At 4, as shown in Figure 2.The structure in stereoscopic bag and subinterval not only facilitates the practical depth-width ratio for increasing soil engineering bag, reduces geotechnique
Itself horizontal direction shear stiffness of bag, at the same additionally aid make each subinterval answer pressure and shearing stress distribution more uniform.
Inner bag liquid leakage in order to prevent, the inner bag 31 are made of waterproof geotextiles, and the outer bag 32 uses waterproof
Or non-watertight geotextiles are made.
Preferably, flexible filler 6 is equipped between 1 inner wall of foundation pit and 2 periphery of building foundation layer and soil engineering bag layer outside.
The flexible filler does not have the ability of transmitting horizontal earthquake effect, to occur that horizontal direction is shear-deformable mentions to subtract shock insulation ground
For activity space.
Embodiment two
The embodiment is the further improvement of above-described embodiment, herein only to being illustrated at further improvement, other
Identical content is as described in above-described embodiment one, and details are not described herein again.
As a further improvement, as shown in figure 4, adding between upper layer soil engineering bag 3 and lower layer's soil engineering bag 3 equipped with armored concrete
Gusset 7.Armored concrete stiffened panel as the separation between each layer soil engineering bag, can help to improve the resistance to compression carrying of soil engineering bag ground
Power.Meanwhile plain concrete cushion layer 8 is also laid with below the soil engineering bag layer.
Test proves, when soil engineering bag vertically directly stacks, contact interface drawing crack destruction is to reduce ground between soil engineering bag
The principal element of Compressive Bearing Capacity --- when two kinds of flexible medias directly contact, the stress concentration phenomenon on surface is more prominent.And
When soil engineering bag and rigid media contact, rigid media has " hoop effect " to soil engineering bag, and the resistance to compression of soil engineering bag can be substantially improved
Bearing capacity.In addition, armored concrete stiffened panel also contributes to uniformly transferring horizontal shear, avoid stress concentration that part is caused to collapse
It falls into.
The ground of the utility model by being improved to soil engineering bag and foundation structure etc., given full play to soil engineering bag subtract every
The advantages such as the low cost and construction simplification of shake technology, are on the one hand to realize the needs for meeting vertical bearing capacity；On the other hand,
Also there is lower horizontal direction shearing rigidity and preferable shear deformation ability, be able to satisfy building shock insulation demand.In addition,
The ground answers damping ratio with higher also to meet building shock attenuation needs.
The utility model is mainly used in all kinds of multilayer residents, office or the factory building in cities and towns and all temporarily builds
It builds.For heavy duty equipment etc., it may have application prospect.Other than above-mentioned improvement, other similar improvement are also contained in
In the improvement threshold of the utility model, just do not repeating herein.While there has been shown and described that the embodiments of the present invention,
It will be appreciated by those skilled in the art that: it can be to these embodiments in the case where not departing from the principles of the present invention and objective
A variety of variations, modification, replacement and deformation, the scope of the utility model is carried out to be defined by the claims and their equivalents.
Claims (8)
1. a kind of building subtracts shock insulation ground, the ground includes,
Foundation pit (1)；
Building foundation layer (2) in foundation pit (1) inner upper is set；
It is arranged in the soil engineering bag layer that foundation pit (1) is internal and is located at below the building foundation layer (2)；The soil engineering bag layer includes to be in
Soil engineering bag (3) that is successively placed side by side and successively stacking up and down；
It is characterized by:
The soil engineering bag (3) includes inner bag (31) and covers the outer bag (32) external in inner bag (31)；
Freeze-proof liquid (4) are filled inside the inner bag (31)；
The area filling particulate matter (5) formed between inner bag (31) outer wall and outer bag (32) inner wall.
2. building according to claim 1 subtracts shock insulation ground, it is characterised in that:
The soil engineering bag (3) is column structure；
Inner bag (31) exterior angle is matched the region segmentation with outer bag (32) interior angle into four subintervals.
3. building according to claim 1 or 2 subtracts shock insulation ground, it is characterised in that:
Armored concrete stiffened panel (7) are equipped between upper layer soil engineering bag (3) and lower layer's soil engineering bag (3).
4. building according to claim 3 subtracts shock insulation ground, it is characterised in that:
Concrete cushion (8) are also equipped with below the soil engineering bag layer.
5. building according to claim 1 subtracts shock insulation ground, it is characterised in that:
The freeze-proof liquid (4) is antifreeze salt water.
6. building according to claim 1 subtracts shock insulation ground, it is characterised in that:
The inner bag (31) is made of waterproof geotextiles, and the outer bag (32) is made of waterproof or non-watertight geotextiles.
7. building according to claim 4 subtracts shock insulation ground, it is characterised in that:
Flexible filler (6) are equipped between on the outside of foundation pit (1) inner wall and building foundation layer (2) and on the outside of soil engineering bag layer.
8. building according to claim 5 subtracts shock insulation ground, it is characterised in that:
The main component of the antifreeze salt water is calcium chloride or sodium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422678.2U CN208309654U (en) | 2018-03-27 | 2018-03-27 | A kind of building subtracts shock insulation ground |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422678.2U CN208309654U (en) | 2018-03-27 | 2018-03-27 | A kind of building subtracts shock insulation ground |
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| CN208309654U true CN208309654U (en) | 2019-01-01 |
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| CN201820422678.2U Active CN208309654U (en) | 2018-03-27 | 2018-03-27 | A kind of building subtracts shock insulation ground |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265763A (en) * | 2018-03-27 | 2018-07-10 | 宁波大学 | A kind of building subtracts shock insulation ground |
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2018
- 2018-03-27 CN CN201820422678.2U patent/CN208309654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265763A (en) * | 2018-03-27 | 2018-07-10 | 宁波大学 | A kind of building subtracts shock insulation ground |
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