阅读说明：本技术 软基处理施工工艺 (Construction of soft soil treatment technique ) 是由 陈干志 于 2019-07-27 设计创作，主要内容包括：本发明涉及建筑施工领域,针对现有的软基处理方法操作复杂的问题,提供了一种软基处理施工工艺,包括以下步骤：S1、标记固定桩的位置；S2、在标记位置开挖浅孔；S3、将固定桩置于浅孔中,并往浅孔中打入,使得固定桩完全深入至柔软地基中；S4、重复步骤S3的操作,直至将所有的固定桩均打入浅孔中；S5、在固定桩的上表面浇筑水泥浆并整平以形成加强层,即可在加强层上进行基础施工。通过在软弱地基中打入若干固定桩,同时,通过控制相邻固定桩之间的间距为10-20cm,即可改善软弱地基的强度,操作简单方便,无需开挖出大量淤泥,有利于减少对淤泥处理的成本,还不容易对环境造成影响。(The present invention relates to the realm of building construction to provide a kind of construction of soft soil treatment technique for existing soft base processing method problem complicated for operation, comprising the following steps: S1, the position for marking spud pile；S2, shallow bore hole is excavated in mark position；S3, spud pile is placed in shallow bore hole, and is squeezed into shallow bore hole, so that spud pile gos deep into Soft Ground completely；S4, the operation for repeating step S3, until all spud piles are squeezed into shallow bore hole；S5, it starches and flattens to form enhancement layer in the upper surface joints cement of spud pile, foundation construction can be carried out on enhancement layer.By squeezing into several spud piles in soft foundation, meanwhile, it is 10-20cm by the spacing controlled between adjacent spud pile, the intensity of soft foundation can be improved, it is simple to operate, without excavating out a large amount of mud, the cost to sludge treatment is advantageously reduced, is also not easy to impact environment.)

1. a kind of construction of soft soil treatment technique, it is characterized in that: the following steps are included:

S1, squeezing into position and marking for spud pile being determined according to design drawing, spud pile is uniformly distributed in soft foundation, And the distance between adjacent spud pile of control is 10-20cm；

S2, the depth excavated shallow bore hole in mark position, and control shallow bore hole are 30-50cm；

S3, spud pile is placed in shallow bore hole, and is squeezed into shallow bore hole, so that spud pile gos deep into soft foundation completely；

S4, the operation for repeating step S3, until all spud piles are squeezed into shallow bore hole；

S5, spud pile upper surface joints cement slurries and flatten to form enhancement layer, basis can be carried out on enhancement layer Construction.

2. construction of soft soil treatment technique according to claim 1, sets it is characterized in that: the bottom end of the spud pile is tapered It sets.

3. construction of soft soil treatment technique according to claim 1 to 2, it is characterized in that: the spud pile by reinforcing bar with pour The coagulation local soil type outside reinforcing bar is built at the concrete includes the component of following mass fraction:

25-35 parts of portland cement；

15-17 parts of water；

50-60 parts of sand；

35-40 parts of stone；

3-5 parts of kaolin；

2-3 parts of attapulgite；

1-3 parts of impregnating with silane agent.

4. construction of soft soil treatment technique according to claim 3, it is characterized in that: the concrete further includes following mass parts Several components:

1-3 parts of ferrous sulfate；

1-2 parts of ethylenediamine tetra-acetic acid.

5. construction of soft soil treatment technique according to claim 3, it is characterized in that: the concrete further includes following mass parts Several components:

2-3 parts of SILICA FUME.

6. construction of soft soil treatment technique according to claim 5, it is characterized in that: the partial size of the SILICA FUME is 1600- 1800 mesh.

7. construction of soft soil treatment technique according to claim 3, it is characterized in that: the concrete further includes following mass parts Several components:

1-2 parts of hollow glass micropearl.

8. construction of soft soil treatment technique according to claim 3, it is characterized in that: the concrete further includes following mass parts Several components:

3-5 parts of titanium dioxide.

Technical field

The present invention relates to the realm of building construction, more specifically, it relates to a kind of construction of soft soil treatment technique.

Background technique

Soft foundation refer to by, compressibility lower with intensity be higher and the weak soil of other undesirable properties (such as mud becomes silted up Shale soil, rinse fill, miscellaneous fill or other high pressure compresseds soil) composition ground, natural void ratio be greater than or equal to 1.0, and The fine grained soil that natural moisture content is greater than liquid limit is referred to as weak soil.

But soft foundation is difficult to meet the requirement of engineering construction, thus usually require to improve soft foundation.But Existing soft foundation generallys use cushion processing, it usually needs first by soft foundation mud and miscellaneous fill dig out it is outer Fortune, then will change to banket and backfill and be compacted, it is troublesome in poeration, therefore, still there is improved space.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of construction of soft soil treatment technique, have Advantage easy to operate.

To achieve the above object, the present invention provides the following technical scheme that

A kind of construction of soft soil treatment technique, comprising the following steps:

S1, squeezing into position and marking for spud pile is determined according to design drawing, spud pile is uniformly distributed in flabbily In base, and the distance between adjacent spud pile is controlled as 10-20cm；

S2, the depth excavated shallow bore hole in mark position, and control shallow bore hole are 30-50cm；

S3, spud pile is placed in shallow bore hole, and is squeezed into shallow bore hole, so that spud pile gos deep into soft foundation completely；

S4, the operation for repeating step S3, until all spud piles are squeezed into shallow bore hole；

S5, spud pile upper surface joints cement slurries and flatten to form enhancement layer, can be carried out on enhancement layer Foundation construction.

By adopting the above technical scheme, by squeezing into several spud piles in soft foundation, meanwhile, by controlling adjacent fixation Spacing between stake is 10-20cm, can improve the intensity of soft foundation, so that construction project is more easily satisfied in soft foundation It is required that it is simple to operate, meanwhile, without excavating out a large amount of mud, the cost to mud post-processing is advantageously reduced, also not It is easy to impact environment；In addition, by squeezing into several spud piles in soft foundation directly to improve the strong of soft foundation Degree so that the mud, miscellaneous fill etc. in soft foundation are easier to be compacted, thus be conducive to enhance the mud in soft foundation, The compactness of miscellaneous fill, so that the basis of soft foundation is stronger, so that the intensity of soft foundation is more easily satisfied and builds If the needs of engineering；Shallow bore hole is excavated in mark position by elder generation, is conducive to the positional accuracy for improving spud pile, so that spud pile Preferably play support and reinforcement soft foundation, while being conducive to pre-fixing for spud pile, so that the piling of spud pile The operation is more convenient.

The present invention is further arranged to: the tapered setting in the bottom end of the spud pile.

By adopting the above technical scheme, by the tapered setting in the bottom end of spud pile, being conducive to, which enhances spud pile, was driving piles To the impact force of soft foundation in journey, so that spud pile is easier to be driven into soft foundation, while making in soft foundation Mud and miscellaneous fill etc. be easier to be pushed and be compacted, and then be conducive to enhance the compactness of soft foundation, so that weak The needs of construction project are more easily satisfied in the intensity of ground, and then are conducive to improve the safety of construction project.

The present invention is further arranged to: the spud pile is by reinforcing bar and the coagulation local soil type being cast in outside reinforcing bar at described mixed Solidifying soil includes the component of following mass fraction:

25-35 parts of portland cement；

15-17 parts of water；

50-60 parts of sand；

35-40 parts of stone；

3-5 parts of kaolin；

2-3 parts of attapulgite；

1-3 parts of impregnating with silane agent.

By adopting the above technical scheme, by using the coordinated of kaolin, attapulgite and impregnating with silane agent, favorably In the waterproof performance and corrosion resistance of enhancing concrete, so that the moisture in soft foundation is not easy to infiltrate into concrete Had an impact in hole with the compression strength to concrete, meanwhile, so that moisture and other do not allow with corrosive substance It is easily infiltrated into the reinforcing bar of inside concrete by concrete and is had an impact with the intensity of intensity and reinforcing bar to concrete, into And be conducive to enhance the compression strength of spud pile；Meanwhile impregnating with silane agent also helps enhancing kaolin and attapulgite Permeability so that kaolin and attapulgite are easier to be uniformly distributed in concrete, and then is conducive to kaolin and recessed Convex stick soil preferably plays a role, so that the water repelling property and corrosion resistance of concrete are more preferable.

The present invention is further arranged to: the concrete further includes the component of following mass fraction:

1-3 parts of ferrous sulfate；

1-2 parts of ethylenediamine tetra-acetic acid.

By adopting the above technical scheme, by the way that ferrous sulfate is added, be conducive to the antioxygenic property for improving concrete, so that mixed Solidifying soil is more not easy to be oxidized corrosion, is conducive to extend the service life of concrete；By the way that ethylenediamine tetra-acetic acid and sulphur is added Sour ferrous iron coordinated, ethylenediamine tetra-acetic acid are easy in conjunction with metal ion, to be conducive to intermolecular crosslinking to be formed Reticular structure, and then be conducive to enhance the compression strength of concrete, so that the intensity of spud pile is stronger, so that soft foundation Intensity the needs of construction project are more easily satisfied.

The present invention is further arranged to: the concrete further includes the component of following mass fraction:

2-3 parts of SILICA FUME.

By adopting the above technical scheme, by addition SILICA FUME, be conducive to the hole in fill concrete, so that concrete Compactness improves, to be conducive to enhance the anti-permeability performance and compressive property of concrete, so that the water in soft foundation Make the strong of reinforcing bar while being not easily penetrated into the compression strength for being conducive to enhance concrete to the internal corrosion reinforcing bar of concrete Degree is not readily susceptible to influence.

The present invention is further arranged to: the partial size of the SILICA FUME is 1600-1800 mesh.

By adopting the above technical scheme, it is 1600-1800 mesh by controlling the partial size of SILICA FUME, is conducive to enhance SILICA FUME Filling effect is conducive to the hole in SILICA FUME preferably fill concrete, so that being more not easy to exist in concrete Hole, and then be conducive to improve the compactness of concrete, so that the water in soft foundation is more not easy to infiltrate into concrete Portion is conducive to make the intensity of reinforcing bar be not readily susceptible to influence while enhancing the compression strength of concrete with corroded steel reinforcement.

The present invention is further arranged to: the concrete further includes the component of following mass fraction:

1-2 parts of hollow glass micropearl.

By adopting the above technical scheme, by addition hollow glass micropearl, be conducive to be filled the hole in concrete, To be conducive to enhance the compactness of concrete so that the water in soft foundation be not easy to infiltrate into inside concrete it is mixed to corrode Solidifying soil and reinforcing bar, so that the compression strength of concrete and reinforcing bar is not readily susceptible to influence, so that soft foundation The needs of construction project are more easily satisfied in intensity, and then are conducive to improve the safety of construction project.

The present invention is further arranged to: the concrete further includes the component of following mass fraction:

3-5 parts of titanium dioxide.

By adopting the above technical scheme, by the way that titanium dioxide is added, be conducive to the corrosion resistance for enhancing concrete, so that coagulation Soil is more not easy had the corrosion of corrosive substance in soft foundation, so that the intensity of spud pile is not readily susceptible to It influences, so that the needs of construction project are more easily satisfied in the intensity of soft foundation, and then is conducive to improve the safety of construction project Property.

In conclusion the invention has the following advantages:

1. by squeezing into several spud piles in soft foundation, meanwhile, it is by controlling the spacing between adjacent spud pile 10-20cm can improve the intensity of soft foundation, simple to operate, without excavating out a large amount of mud, advantageously reduce to silt The cost of mud processing, is also not easy to impact environment；

2. being conducive to enhance soft by squeezing into several spud piles in soft foundation directly to improve the intensity of soft foundation The compactness of mud, miscellaneous fill in weak ground, so that the needs of architectural engineering are more easily satisfied in the intensity of soft foundation；

3. being conducive to the positional accuracy for improving spud pile, so that spud pile is more by first excavating shallow bore hole in mark position The intensity for playing support and reinforcement soft foundation well, is conducive to pre-fixing for spud pile, so that the piling of spud pile The operation is more convenient；

4. being conducive to enhance concrete by using the coordinated of kaolin, attapulgite and impregnating with silane agent Waterproof performance and corrosion resistance, so that the moisture in soft foundation is not easy to infiltrate into the hole of concrete to coagulation Soil compression strength have an impact so that moisture and other with corrosive substance be easily detected by concrete infiltrate into it is mixed It is had an impact in reinforcing bar inside solidifying soil with the intensity of intensity and reinforcing bar to concrete, and then is conducive to enhance spud pile Compression strength.

Specific embodiment

With reference to embodiments, invention is further described in detail.

In following embodiment, portland cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.

In following embodiment, sand uses the Mo Laisha of Lingshou County Bo Sheng mineral products processing factory.

In following embodiment, the basalt of Shi Caiyong Zhangpu County Hong Sheng stone material Co., Ltd.

In following embodiment, kaolin use the article No. of Lingshou County megalith mineral products processing factory for 1250 kaolin.

In following embodiment, attapulgite uses the attapulgite of Guangdong river new material (Guangzhou) Co., Ltd.

In following embodiment, ethylenediamine tetra-acetic acid uses the article No. of the prosperous Chemical Industry Science Co., Ltd of Tianjin auspicious sign for 123 Ethylenediamine tetra-acetic acid.

In following embodiment, hollow glass micropearl uses the sky of the model 2018 of million Tong Bosu Science and Technology Ltd. of Guangdong Heart glass microballoon.

In following embodiment, titanium dioxide uses the article No. of new material Science and Technology Ltd., Guangdong Cigna for the titanium white of DR2588 Powder.