CN103882870A - Cement mixing pile and concrete pile meshing supporting structure and construction method - Google Patents
Cement mixing pile and concrete pile meshing supporting structure and construction method Download PDFInfo
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- CN103882870A CN103882870A CN201410111347.3A CN201410111347A CN103882870A CN 103882870 A CN103882870 A CN 103882870A CN 201410111347 A CN201410111347 A CN 201410111347A CN 103882870 A CN103882870 A CN 103882870A
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Abstract
The invention provides a cement mixing pile and concrete pile meshing supporting structure. The cement mixing pile and concrete pile meshing supporting structure comprises cement mixing piles and concrete piles, wherein the cement mixing piles are distributed at intervals, each concrete pile is arranged between the corresponding two adjacent cement mixing pile, and the cement mixing piles are meshed with the concrete piles. The cement mixing pile and concrete pile meshing supporting structure achieves the double functions of soil blocking and water stopping, the number of the cement mixing piles is reduced substantially, and cement, water and other materials are saved. The occupied area of the cement mixing pile and concrete pile meshing supporting structure is reduced, the construction period is shortened, and construction costs are lowered.
Description
Technical field
The present invention relates to foundation engineering technical field, specifically relate to a kind of cement mixing method and concrete pile interlock supporting and protection structure and construction method.
Background technology
In the more soft clay area of underground water, the peripheral existing foundation pit supporting construction form arranging of foundation ditch, mainly contains: 1, arranged outside overlaps continuous cement mixing method mutually as water-stop curtain, and inner side arranges reinforced concrete pile as the native force structure of gear.2, mutually overlap continuous cement mixing method interpolation H formed steel construction.3, underground continuous reinforced concrete wall structure etc.
The shortcomings such as existing supporting and protection structure form, exists cost high, and material consumption amount is large, and floor space is large, long construction period.
Summary of the invention
Technical problem to be solved by this invention is, overcomes problems of the prior art, and a kind of cement mixing method and concrete pile interlock supporting and protection structure are provided, and the construction method of this structure is provided simultaneously.
Such in order to address the above problem technical scheme of the present invention:
A kind of cement mixing method and concrete pile interlock supporting and protection structure:
Comprise cement mixing method and concrete pile, it is characterized in that, cement mixing method interval is arranged, between adjacent two cement mixing methods, is provided with concrete pile, interlock mutually between cement mixing method and concrete pile.
Single cement mixing method section both sides are crescent.
In described concrete pile, be provided with reinforcing cage.
The diameter of concrete pile is more than or equal to the diameter of cement mixing method.
The diameter of concrete pile is less than the diameter of cement mixing method.
The length of concrete pile is more than or equal to the length of cement mixing method.
The length of concrete pile is less than the length of cement mixing method.
Described concrete pile is a concrete pile for top underlying.
A construction method for cement mixing method and concrete pile interlock supporting and protection structure,
Along the periphery of foundation ditch, adopt the construction of n axle cement-soil mixing pile machine to form many group cement mixing methods, every group of cement mixing method is made up of the cement mixing method of n root space, wherein n >=1; The concrete pile of constructing between cement mixing method, cement mixing method and concrete pile intersection are cut, and single cement mixing method section both sides are crescent, form cement mixing method and concrete pile interlock supporting and protection structure.
When described concrete pile construction, adopt vibrator to vibrate.
In described concrete pile, be provided with reinforcing cage, in reinforcing cage, be provided with and send muscle bar, send muscle bar to double as vibrator and use.
Described concrete pile adopts following steps construction, by align piles position, drilling rod center central point, starts lower brill; Under get into after projected depth, above carry drilling rod certain altitude, start concrete pump, deliver to drilling rod by pipeline coagulation soil, drilling rod lower end ejection concrete, then carries drilling rod on slow circumvolve, on limit, carry drilling rod limit pumping of concrete, to design height, formin concrete pile; Lifting reinforcing cage, aims at pile body center by reinforcing cage center; Vertically put into reinforcing cage to designated depth, form reinforced concrete pile.
Send muscle bar to extract after construction.
Beneficial effect, this supporting and protection structure, with gear soil and sealing double action, significantly reduces cement mixing method consumption, saves the materials such as cement, water.Supporting and protection structure floor space reduces, and the duration shortens, and reduces construction costs.
Accompanying drawing explanation
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural representation of a kind of cement mixing method of the present invention and concrete pile interlock supporting and protection structure.
Fig. 2 is for being single cement mixing method section structure schematic diagram of the present invention.
Fig. 3 is for being single cement mixing method perspective view of the present invention.
the specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, a kind of cement mixing method and concrete pile interlock supporting and protection structure: cement mixing method 1 and concrete pile 2 are set in foundation ditch periphery, cement mixing method 1 interval is arranged, between adjacent two cement mixing methods 1, be provided with concrete pile 2, interlock mutually between cement mixing method 1 and concrete pile 2.In described concrete pile 2, be provided with reinforcing cage.
Referring to Fig. 2 and Fig. 3, single cement mixing method 1 section both sides are crescent 11.The section of crescent 11 is to cut out while being constructed by concrete pile to form, the former cement earth pile at crescent 11 positions is replaced into concrete after concrete pile construction, make cement mixing method 1 and concrete pile 2 be the integrative-structure of interlocking pattern, and concrete and cement-soil interpenetrate, form the supporting and protection structure with gear soil and sealing double action.
Further, the diameter of concrete pile 2 is more than or equal to the diameter of cement mixing method 1.Or the diameter of concrete pile 2 is less than the diameter of cement mixing method 1.
Further, the length of concrete pile 2 is more than or equal to the length of cement mixing method 1.Or the length of concrete pile 2 is less than the length of cement mixing method 1.
Further, described concrete pile 2 is the reinforced concrete pile of stake top underlying, and described stake top is positioned at the following certain distance of constructing operation face.
The construction method of the cement mixing method in the present embodiment and concrete pile interlock supporting and protection structure is as follows:
Along the periphery of foundation ditch, adopt the construction of n axle cement-soil mixing pile machine to form many group cement mixing methods 1, every group of cement mixing method is made up of the cement mixing method of n root space, wherein n >=1; The concrete pile 2 of constructing between cement mixing method, cement mixing method and concrete pile intersection are cut, and single cement mixing method section both sides are crescent, form cement mixing method and concrete pile interlock supporting and protection structure.In described concrete pile 2, be provided with reinforcing cage.
After concrete pile forms, adopt in time vibrator to vibrate, vibrate and can make cement grout infiltrate in the gap of cement earth pile, in improving concrete pile body compactness, be combined with cement earth pile closely; The process of vibrating can adopt repeatedly vibrates.
Described cement mixing method adopts single shaft or multi-shaft cement mixing pile machine to construct, described multi-shaft cement stake machine, be generally two axles, three axle stake machines etc., two, three cement mixing methods etc. can construct simultaneously, and in the middle of the cement mixing method of construction,, with interval, described interval is used for the concrete pile of constructing.
After first group of cement-soil stirring pile construction, can intert construction concrete pile, also can wait for the concrete pile of constructing after cement mixing method initial set, Specific construction mode is determined according to field working conditions.
Described concrete pile adopts following steps construction, and a. determines the central point of concrete pile, around central point, protecting pipe is set;
B. adopt vibration or press mode that protecting pipe is vertically inserted to soil layer;
C. protecting pipe central point is aimed in drilling rod center, start lower brill;
D. get into after projected depth down, first, carrying drilling rod to drill bit valve can open position, then start concrete pump, to drilling rod, after drilling rod lower end ejection concrete, in continuation slowly, carry drilling rod by pipeline pumping of concrete, on limit, carry drilling rod limit pumping of concrete, on carry drilling rod the super concrete of filling with to more than design of pile top position 10cm, stop pumping of concrete, formin concrete pile; Drilling rod proposes from protecting pipe, removes drilling rod after proposition;
E. lift reinforcing cage, by reinforcing cage center protecting pipe center; Described reinforcing cage inside is provided with send muscle bar; Send muscle bar to extract after construction.
F. in plain concrete pile, vertically put into reinforcing cage to designated depth, form reinforced concrete pile;
H. vibration is sent muscle bar and extracts; After certain hour, protecting pipe is extracted.
If concrete pile is a top underneath type concrete pile body,, after d step, adopt grab bucket to remove the assorted soil on plain concrete pile top, when grab bucket catches after pure concrete, the soil that shows to mix is cleaned out; Carry out again e step.
This supporting and protection structure, with gear soil and sealing double action, significantly reduces cement mixing method consumption, saves the materials such as cement, water.Supporting and protection structure floor space reduces, and the duration shortens, and reduces construction costs.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of patent of the present invention is defined by appending claims and equivalent thereof.
Claims (13)
1. a cement mixing method and concrete pile interlock supporting and protection structure:
Comprise cement mixing method and concrete pile, it is characterized in that, cement mixing method interval is arranged, between adjacent two cement mixing methods, is provided with concrete pile, interlock mutually between adjacent cement mixing method and concrete pile.
2. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, single cement mixing method section both sides are crescent.
3. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, in described concrete pile, be provided with reinforcing cage.
4. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, the diameter of concrete pile is more than or equal to the diameter of cement mixing method.
5. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, the diameter of concrete pile is less than the diameter of cement mixing method.
6. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, the length of concrete pile is more than or equal to the length of cement mixing method.
7. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 according to right, it is characterized in that, the length of concrete pile is less than the length of cement mixing method.
8. want a kind of cement mixing method and the concrete pile interlock supporting and protection structure described in 1 or 3 according to right, it is characterized in that, described concrete pile is a concrete pile for top underlying.
9. a construction method for cement mixing method and concrete pile interlock supporting and protection structure, is characterized in that,
Along the periphery of foundation ditch, adopt the construction of n axle cement-soil mixing pile machine to form many group cement mixing methods, every group of cement mixing method is made up of the cement mixing method of n root space, wherein n >=1; The concrete pile of constructing between cement mixing method, cement mixing method and concrete pile intersection are cut, and single cement mixing method section both sides are crescent, form cement mixing method and concrete pile interlock supporting and protection structure.
10. the construction method of a kind of cement mixing method according to claim 9 and concrete pile interlock supporting and protection structure, is characterized in that, in described concrete pile, is provided with reinforcing cage, is provided with and send muscle bar in reinforcing cage, send muscle bar to double as vibrator and uses.
The construction method of 11. a kind of cement mixing methods according to claim 10 and concrete pile interlock supporting and protection structure, is characterized in that:
Described concrete pile adopts following steps construction, by align piles position, drilling rod center central point, starts lower brill; Under get into after projected depth, above carry drilling rod certain altitude, start concrete pump, deliver to drilling rod by pipeline coagulation soil, drilling rod lower end ejection concrete, then carries drilling rod on slow circumvolve, on limit, carry drilling rod limit pumping of concrete, to design height, formin concrete pile; Lifting reinforcing cage, aims at pile body center by reinforcing cage center; Vertically put into reinforcing cage to designated depth, form reinforced concrete pile.
The construction method of 12. a kind of cement mixing methods according to claim 11 and concrete pile interlock supporting and protection structure, is characterized in that, when described concrete pile construction, adopts vibrator to vibrate.
The construction method of 13. a kind of cement mixing methods according to claim 12 and concrete pile interlock supporting and protection structure, is characterized in that, send muscle bar to extract after construction.
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Application publication date: 20140625 |