CN100465390C - Composite building foundation based on waste steel slag - Google Patents
Composite building foundation based on waste steel slag Download PDFInfo
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- CN100465390C CN100465390C CNB2006101345480A CN200610134548A CN100465390C CN 100465390 C CN100465390 C CN 100465390C CN B2006101345480 A CNB2006101345480 A CN B2006101345480A CN 200610134548 A CN200610134548 A CN 200610134548A CN 100465390 C CN100465390 C CN 100465390C
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Abstract
The invention relates to a compound building foundation using waste steel residue, which is a building structure style, comprising the style that modified part is combined with the raft foundation or the strip foundation, the lower part is cylinder modified part, the middle part is shallow modified part and the upper part is raft or strip foundation of reinforced concrete; the style that modified part is combined with the independence foundation, the lower part is shallow modified part and the upper part is the independence foundation. In the invention waste steel residue is used to improve the soft soil so that the rigidity of improved soil is less than the one of pile, meanwhile the improved soil is provided with relative bigger viscosity and certain compressibility. It can absorb the energy of earthquake wave efficiently and achieve the no-shake effect.
Description
Technical field
The present invention relates to a kind of building foundation, particularly relating to a kind of is the composite building basis of base-material with the steel slag.
Background technology
Construction of buildings on soft soil foundation at first needs to solve the settlement issues (bulk deposition and different sedimentations) on basis.And on soft soil foundation construction of buildings, generally adopt pile foundation, deep layer improvement basis, perhaps the composite foundation form that combines with raft foundation of stake.When adopting the support stake, because pile body has run through soft layer, be placed on the supporting layer of ground, and pile body is the perfect rigidity body with respect to soft layer, the peripheral soil in basis changes and during sedimentation in natural conditions etc., building will and ground between because the inconsistent and segment occurred difference phenomenon of distortion, obstacles on the serviceability of building.Thereby for keeping the functional performance of building, in recent years at home and abroad, raft foundation successively occurred to combine with foundation improvement, raft foundation combines with friction pile, composite foundation forms such as deep foundation improvement.In the very dark situation of weak soil layer, since the restriction of execution conditions, difficult stake or the deep foundation improvement worker method supported that be suitable for.And during low layer under construction (in light-duty) building, use and support stake, raft foundation combines with friction pile, during ground forms such as deep foundation improvement, with respect to upper building, tends to become the relatively poor basic worker's method of economic effect.In earthquake disaster result investigation, show simultaneously, when using pile foundation, occur the large-scale disaster that ruptures easily in the junction of basis and superstructure.
Summary of the invention
The object of the present invention is to provide a kind of is the composite building basis of base-material with the steel slag.This composite foundation as ground-improving material, carries out integral body or local ground process to the Soft Soil Layer of basic bottom with steel slag, improves the bearing capacity of ground, reduces the settling amount on basis, thereby keeps the Long-Term Properties of building; And reach protection of the environment, the purpose of saving resource.
The present invention is achieved by the following technical solutions:
A kind of composite building basis take steel slag as base-material, include the form that the improvement part combines with raft foundation or strip footing, its manufacturing process is: the form and the common formation of on-the-spot soil lower cylindrical shape foundation improvement part of the steel slag of pulverizing being passed through deep-layer stirring or high-pressure injection, carry out then the shallow-layer improvement, cylindrical foundation improvement partly adopts undressed steel slag to stir with on-the-spot soil and forms, between shallow-layer improvement part and Reinforced Concrete Raft plate or strip footing, add the interlayer that is formed by segmentation sand and the thin material of cement about thickness 3cm, and adjust foundation level.
Aforesaid a kind of be the composite building basis of base-material with the steel slag, shallow-layer improvement part forms through stirring with on-the-spot soil by using the steel slag of pulverizing.
Aforesaid a kind of composite building basis take steel slag as base-material, also include the form that the improvement part combines with the isolated footing, its improvement part adopts the steel slag of pulverizing, a small amount of cement, the liming composition stirs compacting with on-the-spot soil, basic bottom improvement part is carried out the shallow-layer improved treatment, or whole building yard carried out the shallow-layer improved treatment, between shallow-layer improvement part and isolated footing, add the interlayer that is formed by segmentation sand and the thin material of cement about thickness 3cm, and adjust foundation level.
Aforesaid a kind of be the composite building basis of base-material with the steel slag, shallow-layer improvement part adopts undressed steel slag to stir with on-the-spot soil and forms.
Advantage of the present invention and effect are:
1. the present invention adopts steel slag to carry out the weak soil improvement, and the conditioned soil rigidity will descend to some extent than the rigidity of pile body, has simultaneously relatively large viscosity and certain compressibility, can effectively absorb seismic wave energy, exempts to shake effect thereby reach.
2. the present invention adopts steel slag, lime, and cement etc. carry out with the form that on-the-spot soil stirs or whitewashing is handled, or directly on-the-spot soil are replaced easy construction.
3. the present invention has saved the haulage process of on-the-spot roach because foundation improvement can adopt the form of the stirrings such as on-the-spot soil and steel slag to carry out, and economic effect is good.
4. the present invention as constructional materials, reaches the refuse reclamation effect with steel slag, saves resource greatly.
Description of drawings
Fig. 1 is the present invention and concrete raft plate or strip foundation binding pattern schematic diagram;
Fig. 2 is the present invention and single footing binding pattern schematic diagram.
The specific embodiment
Can be undertaken by following form with the composite foundation of steel slag as ground-improving material.
1. combine with raft foundation or strip footing
For the ground building on the middle and senior level in the soft clay area, when guaranteeing foundation bearing capacity, also need Deformation control with ground in claimed range, can implement this moment by scheme shown in Figure 1.The steel slag of pulverizing (can be added lime, the additives such as cement) form by deep-layer stirring or high-pressure injection forms lower cylindrical shape foundation improvement part 1 jointly with on-the-spot soil, cylindrical foundation improvement part 1 can according to deformation requirements, be mediated in the degree of depth.Carry out the shallow-layer improvement then, this part can adopt undressed steel slag to stir with on-the-spot soil and form, need this moment between shallow-layer improvement part 2 and steel concrete raft plate or strip foundation 3, to add the interlayer that forms by thin material such as segmentation sand and cement about thickness 3cm, to adjust foundation level; Shallow-layer improvement part 2 also can take the same steel slag through pulverizing to stir formation with on-the-spot soil with the bottom.In the situation that foundation bearing capacity and deformation requirements satisfy, can select merely wherein a kind of with cylindrical improvement or shallow-layer improvement.When adopting cylindrical improvement separately, also can adopt with undressed steel slag to replace rubble, carry out large tracts of land ground consolidation process with the dynamic replacement method.
2. combine with the single footing
When adopting isolated footing 4, as shown in Figure 2, can adopt the steel slag of pulverizing, a small amount of cement, the adding ingredients such as lime stir compacting with on-the-spot soil, to basic bottom shallow-layer improvement part 2, also can carry out the shallow-layer improved treatment to whole building yard.Same shallow-layer improvement part 2 also can adopt undressed steel slag to stir with on-the-spot soil and form, need this moment between shallow-layer improvement part 2 and single footing 4, to add the interlayer that forms by thin material such as segmentation sand and cement about thickness 3cm, to adjust foundation level.
Steel slag and the lime pulverized, the soil property situation at the visual scene of mixed proportion of the additive such as cement or the batch mixings such as steel slag and on-the-spot soil is determined.
Claims (4)
1. composite building basis take steel slag as base-material, it is characterized in that, include the form that the improvement part combines with raft foundation or strip footing, its manufacturing process is: the form and on-the-spot soil common formation lower cylindrical shape foundation improvement part (1) of the steel slag of pulverizing being passed through deep-layer stirring or high-pressure injection, carry out then the shallow-layer improvement, cylindrical foundation improvement part (1) adopts undressed steel slag to stir with on-the-spot soil and forms, add the interlayer that is formed by segmentation sand and the thin material of cement about thickness 3cm between shallow-layer improvement part (2) and Reinforced Concrete Raft plate or the strip footing (3), and adjusting foundation level.
2. according to claim 1 a kind of be the composite building basis of base-material with the steel slag, it is characterized in that shallow-layer improvement part (2) forms through stirring with on-the-spot soil by using the steel slag of pulverizing.
3. a kind of composite building basis take steel slag as base-material according to claim 1, it is characterized in that, also include the form that the improvement part combines with the isolated footing, its improvement part adopts the steel slag of pulverizing, a small amount of cement, the liming composition stirs compacting with on-the-spot soil, basic bottom improvement part is carried out the shallow-layer improved treatment, or whole building yard carried out the shallow-layer improved treatment, add the interlayer that is formed by segmentation sand and the thin material of cement about thickness 3cm between the shallow-layer improvement part (2) and isolated footing (4), and adjusting foundation level.
4. a kind of composite building basis take steel slag as base-material according to claim 3 is characterized in that, shallow-layer improvement part (2) adopts undressed steel slag to stir with on-the-spot soil and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101345480A CN100465390C (en) | 2006-12-07 | 2006-12-07 | Composite building foundation based on waste steel slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101345480A CN100465390C (en) | 2006-12-07 | 2006-12-07 | Composite building foundation based on waste steel slag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1970895A CN1970895A (en) | 2007-05-30 |
| CN100465390C true CN100465390C (en) | 2009-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101345480A Expired - Fee Related CN100465390C (en) | 2006-12-07 | 2006-12-07 | Composite building foundation based on waste steel slag |
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| Country | Link |
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| CN (1) | CN100465390C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704363A (en) * | 2011-10-24 | 2012-10-03 | 沈阳建筑大学 | Integrated roadbed and pavement project based on steel slag |
| CN103469804A (en) * | 2013-07-23 | 2013-12-25 | 李尚喜 | Building and construction of sucking disc type building foundation |
| CN103469781B (en) * | 2013-10-17 | 2016-06-08 | 中国建筑东北设计研究院有限公司 | Wall column in conjunction with basement process at the complete application process in coastal soft clay area |
| CN105036673A (en) * | 2015-08-09 | 2015-11-11 | 北华航天工业学院 | Cohesive soil curing agent and cohesive soil soft foundation treating method thereof |
| CN112502208A (en) * | 2020-12-31 | 2021-03-16 | 中国电建集团河南省电力勘测设计院有限公司 | Settlement-adjustable shunting machine foundation and adjusting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200550U (en) * | 1986-08-12 | 1987-04-01 | 上海铁路局科学技术研究所 | Steel slag pile for reinforcing soft soil foundation |
| CN1047716A (en) * | 1989-05-29 | 1990-12-12 | 山西省机械施工公司 | Utilize the method and the facility of industrial residue comprehensive treatment soft foundation |
| JPH06257143A (en) * | 1993-03-04 | 1994-09-13 | Nippon Kokan Raito Steel Kk | Concrete composite pile |
| CN2561823Y (en) * | 2002-06-05 | 2003-07-23 | 邹宗煊 | Three-dimensional high strength composite pile bases for building |
| JP2006214201A (en) * | 2005-02-04 | 2006-08-17 | Toda Constr Co Ltd | Composite foundation of piles and continuous underground wall |
-
2006
- 2006-12-07 CN CNB2006101345480A patent/CN100465390C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200550U (en) * | 1986-08-12 | 1987-04-01 | 上海铁路局科学技术研究所 | Steel slag pile for reinforcing soft soil foundation |
| CN1047716A (en) * | 1989-05-29 | 1990-12-12 | 山西省机械施工公司 | Utilize the method and the facility of industrial residue comprehensive treatment soft foundation |
| JPH06257143A (en) * | 1993-03-04 | 1994-09-13 | Nippon Kokan Raito Steel Kk | Concrete composite pile |
| CN2561823Y (en) * | 2002-06-05 | 2003-07-23 | 邹宗煊 | Three-dimensional high strength composite pile bases for building |
| JP2006214201A (en) * | 2005-02-04 | 2006-08-17 | Toda Constr Co Ltd | Composite foundation of piles and continuous underground wall |
Non-Patent Citations (1)
| Title |
|---|
| JP平6-257143A 1994.09.13 E02D5/34,5/48,5/50 |
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| Publication number | Publication date |
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| CN1970895A (en) | 2007-05-30 |
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Effective date of registration: 20101201 Address after: 110166, No. 6, No. 9-10, Changbai Road, Heping District, Liaoning, Shenyang Patentee after: Liaoning Provincial Communication Planning & Design Institute Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 Shenyang Construction University Patentee before: Shenyang Building Univ. |
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