CN102605781A - Rocky bed steel pipe pile sinking construction process - Google Patents
Rocky bed steel pipe pile sinking construction process Download PDFInfo
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- CN102605781A CN102605781A CN2012101029474A CN201210102947A CN102605781A CN 102605781 A CN102605781 A CN 102605781A CN 2012101029474 A CN2012101029474 A CN 2012101029474A CN 201210102947 A CN201210102947 A CN 201210102947A CN 102605781 A CN102605781 A CN 102605781A
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Abstract
The invention belongs to a rocky bed steel pipe pile sinking construction process, and relates to compound technology of large-aperture foundation bit underwater concrete solidification and grouting guide tube anchoring. The rocky bed steel pipe pile sinking construction process is characterized by at least including GPS (global positioning system) positioning, underwater impact operation, high-water pump operation, underwater concrete discharge operation and underwater drilling grouting operation. The rocky bed steel pipe pile sinking construction process has the advantages that the process is not affected by water depth or rock properties, all constructions are carried out on water, purpose-made underwater construction equipment and underwater construction special type operators are omitted, construction equipment is convenient, the process is simple and convenient, reliability is high, and structural safety is also high.
Description
Technical field
The invention belongs to the heavy facility worker technology of a kind of rock matter riverbed steel pipe pile, particularly a kind of large aperture foundation ditch under water concrete fixed+grouting pipe anchoring complex technique.
Background technology
The construction of all kinds of boat structure things all must be set up interim or permanent support structure, needs the regular steel pipe pile of using to insert and play construction.But a lot of riverbeds or bottom of the reservior all do not have soil property, chiltern covering layer, and basement rock is directly exposed outside, adopt common vibrating hammer to insert the manual labour skill and can't carry out the heavy facility worker of steel pipe pile at all.Must adopt special heavy equipment, method to construct.
Summary of the invention
The present invention provides a kind of rock matter riverbed steel pipe pile to sink facility worker technology, particularly a kind of large aperture foundation ditch under water concrete fixed+grouting pipe anchoring complex technique.
The technical scheme that institute of the present invention technical solution problem is adopted is: rock matter riverbed steel pipe pile sinks facility worker technology; It is characterized in that: rock matter riverbed steel pipe pile sinks facility worker technology, it is characterized in that: comprise GPS location, underwater shock operation, high-pressure hydraulic pump operation at least, let out concrete operation, underwater drilling slip casting operation under water.
The degree of depth of the foundation depth of described underwater shock operation and the required boring of underwater drilling slip casting operation should be calculated according to the depth of water and rock stratum situation in advance.
Described high-pressure hydraulic pump operation should be gone out the rock slag after impacting in the foundation ditch outside the hole.
The operation of described underwater pouring concrete after the pour concrete, is carried out underwater drilling slip casting operation after should reaching 70% in the intensity of concrete again.
The drilling hole amount of described underwater drilling slip casting operation is that 3-5 is individual in each steel pipe pile, triangular in shape or quincuncial arrangement.
Characteristics of the present invention are:
Not influenced by the depth of water and nature of ground, waterborne the carrying out of all constructing do not wanted special subaqueous construction facility and subaqueous construction job that requires special skills personnel, and construction equipment is convenient, and technology is easy, and reliability is high, and safety of structure is high.
Description of drawings
To combine specific embodiment that the present invention is further described below:
Fig. 1 is for the location and rig is in place, the punching sketch map;
Fig. 2 is steel pipe pile location, fixing sketch map;
Fig. 3 is a pump pressure concrete sketch map under water;
Fig. 4 is hidden hole drilling boring sketch map;
Fig. 5 is for grouting tube is installed, mud jacking finishes the construction sketch map.
Among the figure, 1, let out the concrete hole; 2, down-the-hole drill; 3, grouting tube; 4, water level; 5, operation platform such as barge or buoyancy tank; 6, riverbed basement rock.
The specific embodiment
Embodiment 1; Rock matter riverbed steel pipe pile sinks facility worker technology; At least comprise GPS location, underwater shock operation, high-pressure hydraulic pump operation, the operation of underwater pouring concrete, underwater drilling slip casting operation; Concrete steps are following: step 1) adopts GPS positioning steel tube stake design attitude, grappling operation platform (barge or buoyancy tank), adjustment rig position alignment steel pipe pile center; Step 2) carry out impact operation waterborne, impact the foundation depth of design after, rig displacement, wherein, the degree of depth of the foundation depth of underwater shock operation and the required boring of underwater drilling slip casting operation should be calculated according to the depth of water and rock stratum situation in advance; The operation of step 3) high-pressure hydraulic pump, the working high-pressure hydraulic pump sinks to the bottom, and goes out outside the hole impacting back rock slag in the foundation ditch; The operation of step 4) underwater pouring concrete is held mouth at the bottom of the steel pipe pile and periphery successfully the pour concrete hole in advance, is placed on location, back in the foundation ditch with loop wheel machine; And keep the design verticality temporary fixed good; With concrete under the concrete transfer pump pumps water, and measure in the foundation ditch of the steel pipe pile outside concrete situation of gushing out, treat that the foundation ditch concrete is gushed out and is swelling bag state to stop; Treat after the concrete initial set the temporary fixed releasing of steel pipe pile is installed hidden hole drilling after concrete strength reaches 70% and in steel pipe pile, holed; Step 5) underwater drilling slip casting operation; Drilling depth is calculated according to the depth of water and rock stratum situation in advance, and 3-5 is individual in each steel pipe pile, triangular in shape or quincuncial arrangement; Adopt slurry filling machine slip casting in ductule, grouting amount has surpassed the interior concrete face of steel pipe pile can proceed other operations constructions.
As shown in Figure 2, mouth at the bottom of the steel pipe pile and periphery held successfully in advance let out concrete hole 1, be placed on location, back in the foundation ditch with loop wheel machine then, and keep the design verticality temporary fixed good.
As shown in Figure 3, with concrete under the concrete transfer pump pumps water, and measure in the foundation ditch of the steel pipe pile outside concrete situation of gushing out, treat that the foundation ditch concrete is gushed out and is swelling bag state to stop, treating after the concrete initial set the temporary fixed releasing of steel pipe pile.
Like Fig. 4, shown in 5, to utilize down-the-hole drill 2 that hidden hole drilling is installed after concrete strength reaches 70% and in steel pipe pile, hole, drilling depth is calculated according to the depth of water and rock stratum situation in advance.3-5 is individual in each steel pipe pile, and triangular in shape or quincuncial arrangement adopts slurry filling machine slip casting in grouting tube 3, and grouting amount has surpassed the interior concrete face of steel pipe pile can proceed other operation constructions.
Construction equipment and material:
Amount to need four big types of facility and material, assisted class provides construction auxiliary, like the required electrogas welding instrument of over-water construction platform (barge or buoyancy tank etc.), Construction of Steel Structure, loop wheel machine etc.; Equipment class is mainly used in waterborne or subaqueous construction is used; Survey type of establishing mainly is measuring apparatus, is used for control survey work such as location and control absolute altitude; The main material that need use when material type mainly is construction.
Compare with common injection soil property, the tectal steel pipe pile construction technology of chiltern, only need to increase percussive drill and two kinds of common rigs of hidden hole drilling (perhaps core drilling rig).
Points for attention:
1) jump bit hammer footpath is selected: the jump bit radius should if the depth of water is darker, also should suitably strengthen than the big 50-80cm of steel pipe pile radius;
2) steel pipe pile length is bigger, when needing foundation depth dark because flushing cinder leans on water pump to be difficult to cleaning, can be earlier with towards grabbing after hammer fishes for most of flushing cinder totally, carry out the water under high pressure flushing cinder again;
3) location and when construction all that the anchoring of construction assistance platform is firm, prevent in work progress, to rock excessive influence location with accurately;
When 4) building concrete, be chosen in right up and down fine weather as far as possible and construct, prevent that the excessive steel pipe pile wobble effects of stormy waves concrete is fixed;
5) concrete is answered the reasonably optimizing match ratio under water, participates in flyash in right amount, increases mobile.
Steel pipe pile heavy facility worker technology in rock matter of the present invention riverbed is not influenced by the depth of water and nature of ground; All construction all is to carry out on the water; Do not want special subaqueous construction facility and subaqueous construction job that requires special skills personnel, solved the slotting skill of doing manual work of common vibrating hammer and can't carry out the heavy facility worker of steel pipe pile at all.
Claims (5)
1. steel pipe pile heavy facility worker technology in rock matter riverbed is characterized in that: comprise GPS location, underwater shock operation, high-pressure hydraulic pump operation, the operation of underwater pouring concrete, underwater drilling slip casting operation at least.
2. rock matter according to claim 1 riverbed steel pipe pile sinks facility worker technology, and it is characterized in that: the degree of depth of the foundation depth of described underwater shock operation and the required boring of underwater drilling slip casting operation should be calculated according to the depth of water and rock stratum situation in advance.
3. rock matter according to claim 1 riverbed steel pipe pile sinks facility worker technology, it is characterized in that: described high-pressure hydraulic pump operation should be gone out the rock slag after impacting in the foundation ditch outside the hole.
4. rock matter according to claim 1 riverbed steel pipe pile sinks facility worker technology, it is characterized in that: the operation of described underwater pouring concrete, after the pour concrete, carry out underwater drilling slip casting operation again after should reaching 70% in the intensity of concrete.
5. rock matter according to claim 1 riverbed steel pipe pile sinks facility worker technology, it is characterized in that: the drilling hole amount of described underwater drilling slip casting operation is 3-5 in each steel pipe pile, triangular in shape or quincuncial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101029474A CN102605781A (en) | 2012-04-10 | 2012-04-10 | Rocky bed steel pipe pile sinking construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101029474A CN102605781A (en) | 2012-04-10 | 2012-04-10 | Rocky bed steel pipe pile sinking construction process |
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| CN102605781A true CN102605781A (en) | 2012-07-25 |
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| CN2012101029474A Pending CN102605781A (en) | 2012-04-10 | 2012-04-10 | Rocky bed steel pipe pile sinking construction process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410149A (en) * | 2013-08-08 | 2013-11-27 | 葛洲坝集团试验检测有限公司 | Grouting method for bedrock under deep water conditions |
| CN103669347A (en) * | 2013-12-31 | 2014-03-26 | 葛洲坝集团试验检测有限公司 | Underwater anchor rod construction method |
| CN103898909A (en) * | 2014-03-10 | 2014-07-02 | 中交一航局第三工程有限公司 | Steel trestle pile foundation ring cutting method pile implanting process in bare rock area |
| CN114053768A (en) * | 2021-11-24 | 2022-02-18 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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| TW200842227A (en) * | 2007-04-25 | 2008-11-01 | Hong Ding Civil Engineering Co Ltd | Method of reaming and post-grouting for cast-in-place pile |
| CN101250880A (en) * | 2007-12-19 | 2008-08-27 | 中铁大桥局集团第一工程有限公司 | Method for embedding and fixing steel tube concrete pile and steel tube pile anchor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410149A (en) * | 2013-08-08 | 2013-11-27 | 葛洲坝集团试验检测有限公司 | Grouting method for bedrock under deep water conditions |
| CN103669347A (en) * | 2013-12-31 | 2014-03-26 | 葛洲坝集团试验检测有限公司 | Underwater anchor rod construction method |
| CN103898909A (en) * | 2014-03-10 | 2014-07-02 | 中交一航局第三工程有限公司 | Steel trestle pile foundation ring cutting method pile implanting process in bare rock area |
| CN103898909B (en) * | 2014-03-10 | 2016-01-27 | 中交一航局第三工程有限公司 | Naked petrographic province steel trestle pile foundation ring cutting method plants a technique |
| CN114053768A (en) * | 2021-11-24 | 2022-02-18 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
| CN114053768B (en) * | 2021-11-24 | 2022-12-20 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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Application publication date: 20120725 |