CN101974902B - Construction process for planting reinforcement bars into cement piles - Google Patents
Construction process for planting reinforcement bars into cement piles Download PDFInfo
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- CN101974902B CN101974902B CN201010506753A CN201010506753A CN101974902B CN 101974902 B CN101974902 B CN 101974902B CN 201010506753 A CN201010506753 A CN 201010506753A CN 201010506753 A CN201010506753 A CN 201010506753A CN 101974902 B CN101974902 B CN 101974902B
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Abstract
The invention discloses a construction process for planting reinforcement bars into cement piles, which comprises the following steps: 1. according to different drawings and application conditions, selecting good reinforcement bars; 2. carrying out pile forming construction according to the design and specification requirements; 3. after the process of pipe forming is completed, making point positioning at the central positions of the piles; 4. taking a bar-planting machine in position and leveling the bar-planting machine, connecting the selected reinforcement bar with the bar-planting machine, and aligning the reinforcement bar to be planted to a positioning point; 5. planting the reinforcement bar according to the requirement of the construction process, namely, vertically inserting the selected reinforcement bar into the center of a cement pile not subjected to initial setting; 6. according to the actual conditions, jointing reinforcement bars required to be jointed as required according to the design and specification requirements; and 7. after the reinforcement bar-planting is completed, moving the bar-planting machine to the position of the next pile, and then repeating the steps above so as to complete the construction task. The process can improve the stability and bearing capacity of the cement pile, strengthen the anti-bending performance and anti-shearing performance of the cement pile, and cooperate with the use function of an energy-saving technology, and has the advantages of simple process, convenient construction, low cost, and recyclable steels and the like.
Description
Technical field
The present invention relates to construction work ground process field, construction technology of planting reinforcement bar behind particularly a kind of cement earth pile that is used to improve cement earth pile bending resistance, shear behavior.
Background technology
At present in the engineering construction construction field; Cement earth pile is used very extensive; As: ground processing, slope reinforcement, Extra-Deep Foundation Pit, underpin etc.; And the construction pile-formation process of cement earth pile is also a lot, like: high-pressure rotary jet grouting pile, deep-mixed pile, two-way deep-mixed pile, three agitation piles, fracture grouting, compaction grouting etc.Wherein high-pressure rotary jet grouting pile divides substance pipe, double pipe, triple pipe, multitube high-pressure rotary jet grouting pile etc. again; Though each is different for its bore forming technology, its basic principle is utilizes the cement and the gummed of soil to form cement earth pillar or soil stake, improves the stability of bearing capacity of foundation soil or side slope, foundation ditch; But simple cement earth pile, because of the character decision of self material, its anti-bending strength, shear behavior, stake and top cushion cap, connections such as beam, basis etc. are all undesirable; Therefore how solving this technical problem is the major subjects that the present invention studies.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned prior art present situation; Construction technology of planting reinforcement bar behind a kind of cement earth pile is provided; It implants corresponding muscle material in cement earth pile; Can effectively improve the stability and the bearing capacity ability of cement earth pile, strengthen the anti-bending strength, shear behavior of cement earth pile and with the switching performance on top cushion cap, beam, basis etc. with cooperate the function of use of energy saving technique.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: construction technology of planting reinforcement bar behind the cement earth pile is characterized in that: comprise following processing step successively:
(1), different according to drawing with condition of application, choose muscle material with good result;
(2), by design and code requirement construction pile;
(3), accomplish the pile operation after, in time insert bamboo let and do point location in the position of pile center;
(4), with the leveling in place of bar planting facility, be connected said institute's bar planting material of choosing with the bar planting machine and with institute's bar planting material aligned point;
(5), according to the construction process requirement bar planting, institute's bar planting material is vertically inserted the cement earth pile center of not initial set;
(6), according to actual conditions, the muscle material that needs are connected connects muscle by design and code requirement;
(7), after bar planting finishes, the bar planting facility move to next position, repeat above-mentioned operation, accomplish construction task.
In order to obtain better technique effect, further technical measures also comprise:
Muscle material in the above-mentioned step (1) comprises steel pipe, reinforcing bar and mao bamboon, and diameter of steel tube is that φ 15mm～φ 300mm, bar diameter are that φ 8mm～φ 50mm, mao bamboon diameter are φ 30mm～φ 250mm.
Bar planting facility in the above-mentioned step (4) comprise artificial instrument and mechanical tool; Mechanical tool comprises cement earth pile machine, suspension type electromagnetic shaker, backacter, tup machine and can possess the facility such as stake machine etc. of pressurization.
Bar planting in the above-mentioned step (5), its bar planting length should dispose according to stressing conditions and effect, need be connected with top cushion cap, beam, basis, and its muscle material protruded length should be greater than 300mm.
Its bar planting method of bar planting in the above-mentioned step (5) is: start the bar planting facility, make the muscle material vertically insert the cement earth pile center of not initial set, when muscle material remainder is 300mm, stop joint bar, get into the next procedure construction.
Its bar planting method of bar planting in the above-mentioned step (5) is: bar planting length ties up stay cord than the short artificial bar planting of adopting in following appropriate location, institute bar planting top, and draws 2-4 root stay cord down; Then muscle material lower end aligned bar planting central point; Following stay cord makes the muscle material insert pile body, when getting into the coda stage; When manual work can not be drawn in, also can take the method for artificial hammering will remain the hammering of muscle material and be rolled into pile body to design elevation.
Connecing muscle it connect the muscle method and is in the above-mentioned step (6): for adopting steel pipe or reinforcing bar, connect the muscle method and adopt welding or screw thread mechanical connection, will guarantee the verticality of muscle material during connection, be controlled in 0.5%, until being inserted into design elevation as the bar planting material.
Connecing muscle it connect the muscle method and is in the above-mentioned step (6): for adopting mao bamboon as the bar planting material; Generally speaking, do not allow to connect muscle, long or design demand adopts and to connect muscle like stake; The method that must take to overlap connection connects; Lap length is no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, and necessary assurance vertically, firmly.
Compared with prior art; The present invention implants corresponding muscle material in cement earth pile; And the cushion cap through the muscle material that exposes and top, beam basis etc. are connected; Have higher safety, stability and bearing capacity ability than traditional installation method; The cement earth pile of implanting the muscle material has the effect of similar steel concrete, thereby has increased anti-bending strength, the shear behavior of cement earth pile, and characteristics such as this invention has easy construction, technology is simple, efficient is high, safety is good, cost is low, effect is obvious, the recyclable utilization of steel and the function of use that cooperates energy saving technique.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is described in further detail.
Construction technology of planting reinforcement bar behind the cement earth pile of the present invention comprises following processing step successively:
(1), different according to drawing with condition of application, choose muscle material with good result;
(2), by design and code requirement construction pile;
(3), accomplish the pile operation after, in time insert bamboo let and do point location in the position of pile center;
(4), with the leveling in place of bar planting facility, be connected said institute's bar planting material of choosing with the bar planting machine and with institute's bar planting material aligned point;
(5), according to the construction process requirement bar planting, institute's bar planting material is vertically inserted the cement earth pile center of not initial set;
(6), according to actual conditions, the muscle material that needs are connected connects muscle by design and code requirement;
(7), after bar planting finishes, the bar planting facility move to next position, repeat above-mentioned operation, accomplish construction task.
In order to obtain better technique effect; Increase cement earth pile supporting capacity and with the top cushion cap; Beam, basis etc. can implement to connect reliably, make cement earth pile can reach the technical standard of design, and the muscle material described in the step of the present invention (1) comprises steel pipe, reinforcing bar and mao bamboon; And it is that φ 15mm～φ 300mm, bar diameter are that φ 8mm～φ 50mm, mao bamboon diameter are the different bar planting materials of φ 30mm～φ 250mm that the muscle material adopts diameter of steel tube respectively according to condition of application and bearing capacity.
Bar planting facility in the described step (4) comprise artificial instrument and mechanical tool; Mechanical tool comprises cement earth pile machine, suspension type electromagnetic shaker, backacter, tup machine and can possess the facility such as stake machine etc. of pressurization.
Bar planting in the described step (5), its bar planting length should dispose according to stressing conditions and effect, need be connected with top cushion cap, beam, basis, and its muscle material protruded length should be greater than 300mm.
When the long face of muscle material is fit to mechanical bar planting.Its bar planting method of bar planting in the described step (5) is: start the bar planting facility, make the muscle material vertically insert the cement earth pile center of not initial set, when muscle material remainder is 300mm, stop joint bar, get into the next procedure construction.
When muscle material weak point can't be used mechanical bar planting, the bar planting method in the described step (5) was: bar planting length ties up stay cord than the short artificial bar planting of adopting in following appropriate location, institute bar planting top; And draw 2-4 root stay cord down, and then muscle material lower end aligned bar planting central point, following stay cord; Make the muscle material insert pile body; When getting into the coda stage, when manual work can not be drawn in, also can adopt the method for artificial hammering will remain the hammering of muscle material and be rolled into pile body to design elevation.
Difference according to the bar planting material; The method that connects muscle is also different; Connect muscle for adopting steel pipe or reinforcing bar as the bar planting material, the muscle method that the connects method in the described step (6) is: adopt welding or screw thread mechanical connection, will guarantee the verticality of muscle material during connection; Be controlled in 0.5%, until being inserted into design elevation.
Connect muscle for adopting mao bamboon as the bar planting material in the described step (6); Generally speaking, do not allow to connect muscle, long or design demand adopts and to connect muscle like stake; The method that must take to overlap connection connects; Lap length is no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, and necessary assurance vertically, firmly.
Embodiment one: selected muscle material diameter is the steel pipe of φ 80mm; After doing point location at pile and with bamboo let, adopt mechanical bar planting that steel pipe is vertically inserted the cement earth pile center of not initial set, when the steel pipe remainder is 300mm; Stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, can adopt welding or screw thread mechanical system to connect, will guarantee the verticality of steel pipe during connection, be controlled in 0.5%, until being inserted into design elevation.
Adopt the method for artificial bar planting for the short steel pipe of designing requirement, its method can tie up stay cord in the appropriate location on steel pipe, and draws 2-4 root stay cord down; Plant the center rib point to the steel pipe lower end aligned then; Following stay cord makes steel pipe insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain the steel pipe hammering again and be rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment two: selected muscle material diameter is the reinforcing bar of φ 25mm; After doing point location at pile and with bamboo let, adopt mechanical bar planting that reinforcing bar is vertically inserted the cement earth pile center of not initial set, when the reinforcing bar remainder is 300mm; Stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, adopt welding manner to connect, will guarantee the verticality of reinforcing bar during connection, be controlled in 0.5%, until being inserted into design elevation.
Adopt the method for artificial bar planting for the short reinforcing bar of designing requirement, its method is that the appropriate location ties up stay cord on reinforcing bar, and draws 2-4 root stay cord down; Then reinforcing bar lower end aligned bar planting central point; Following stay cord makes reinforcing bar insert pile body, when getting into the coda stage; When manual work can not be drawn in, also can take the method for artificial hammering will remain the reinforcing bar hammering and be rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment three: selected muscle material diameter is the mao bamboon of φ 100mm, do point location at pile and with bamboo let after, adopt mechanical bar planting that mao bamboon is vertically inserted the cement earth pile center of not initial set, when mao bamboon remainder 300mm, stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, adopt the mode of overlap joint to connect, lap length will be no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, must guarantee vertical, firmly.
Adopt the method for artificial bar planting for the short mao bamboon of designing requirement, its method is that the appropriate location ties up stay cord on mao bamboon, and draws 2-4 root stay cord down; Then mao bamboon lower end aligned bar planting central point; Following stay cord makes mao bamboon insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain the mao bamboon hammering again and be rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment four: selected muscle material diameter is reinforcing bar and the steel pipe in the scope of design; After doing point location at pile and with bamboo let; Adopt mechanical bar planting reinforcing bar or steel pipe vertically to be inserted the cement earth pile center of not initial set; When reinforcing bar or steel pipe remainder are 300mm, stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, adopt welding manner or screw thread mechanical connection, will guarantee the verticality of reinforcing bar and steel pipe during connection, be controlled in 0.5%, until being inserted into design elevation.
For the method that the short reinforcing bar of designing requirement or steel pipe can adopt artificial bar planting, its method is that the appropriate location ties up stay cord on reinforcing bar or steel pipe, and draws 2-4 root stay cord down; Then reinforcing bar or steel pipe lower end aligned bar planting central point; Following stay cord makes reinforcing bar or steel pipe insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain reinforcing bar again or the steel pipe hammering is rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment five: selected muscle material diameter is reinforcing bar and the mao bamboon in the scope of design; After doing point location at pile and with bamboo let; Adopt mechanical bar planting reinforcing bar or mao bamboon vertically to be inserted the cement earth pile center of not initial set; When reinforcing bar or mao bamboon remainder are 300mm, stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, can adopt welding manner or screw thread mechanical connection, will guarantee the verticality of reinforcing bar during connection, be controlled in 0.5%, until being inserted into design elevation for reinforcing bar.Can adopt the mode of overlap joint to connect for mao bamboon, lap length is no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, and necessary assurance vertically, firmly.
For the method that designing requirement can be adopted artificial bar planting than the reinforcing bar or the mao bamboon of weak point, its method is that the appropriate location ties up stay cord on reinforcing bar or mao bamboon, and draws 2-4 root stay cord down; Then reinforcing bar or mao bamboon lower end aligned bar planting central point; Following stay cord makes reinforcing bar or mao bamboon insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain reinforcing bar again or the mao bamboon hammering is rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment six: selected muscle material diameter is steel pipe and the mao bamboon in the scope of design; After doing point location at pile and with bamboo let; Adopt mechanical bar planting steel pipe or mao bamboon vertically to be inserted the cement earth pile center of not initial set; When steel pipe or mao bamboon remainder are 300mm, stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, can adopt welding manner or screw thread mechanical connection, will guarantee the verticality of steel pipe during connection, be controlled in 0.5%, until being inserted into design elevation for steel pipe.Can adopt the mode of overlap joint to connect for mao bamboon, lap length is no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, and must guarantee vertically, firmly.
For the method that designing requirement can be adopted artificial bar planting than the steel pipe or the mao bamboon of weak point, its method is that the appropriate location ties up stay cord on steel pipe or mao bamboon, and draws 2-4 root stay cord down; Then steel pipe or mao bamboon lower end aligned bar planting dot center; Following stay cord makes steel pipe or mao bamboon insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain steel pipe again or the mao bamboon hammering is rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Embodiment seven: selected muscle material diameter is steel pipe, reinforcing bar and the mao bamboon in the scope of design; After doing point location at pile and with bamboo let; Adopt mechanical bar planting steel pipe, reinforcing bar or mao bamboon vertically to be inserted the cement earth pile center of not initial set; When steel pipe, reinforcing bar or mao bamboon remainder are 300mm, stop joint bar, get into the next procedure construction.
Connect muscle according to design and code requirement needs, can adopt welding manner or screw thread mechanical connection, will guarantee the verticality of steel pipe during connection, be controlled in 0.5%, until being inserted into design elevation for steel pipe or reinforcing bar.Can adopt the mode of overlap joint to connect for mao bamboon, lap length is no less than 1 meter, and satisfies the above iron wire colligation in 3 roads simultaneously, and must guarantee vertically, firmly.
Can adopt the method for artificial bar planting for designing requirement short steel pipe, reinforcing bar or mao bamboon, its method is that the appropriate location ties up stay cord on steel pipe, reinforcing bar or mao bamboon, and draws 2-4 root stay cord down; Then steel pipe, reinforcing bar or mao bamboon lower end aligned bar planting dot center; Following stay cord makes steel pipe, reinforcing bar or mao bamboon insert pile body, when getting into the coda stage; When manual work can not be drawn in, take the method for artificial hammering will remain steel pipe, reinforcing bar or mao bamboon hammering again and be rolled into pile body to design elevation.After bar planting finished, the bar planting facility moved to next position, repeat above-mentioned operation, up to whole completion construction tasks.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (2)
1. construction technology of planting reinforcement bar behind the cement earth pile is characterized in that: comprise following processing step successively:
(1), different according to drawing with condition of application, choose muscle material with good result;
(2), by design and code requirement construction pile;
(3), accomplish the pile operation after, in time insert bamboo let and do point location in the position of pile center;
(4), with the leveling in place of bar planting facility, be connected the said bar planting material of choosing with the bar planting facility and with institute bar planting material alignment point location;
(5), according to the construction process requirement bar planting, institute's bar planting material is vertically inserted the cement earth pile center of not initial set;
(6), according to actual conditions, the muscle material that needs are connected connects muscle by design and code requirement;
(7), after bar planting finishes, the bar planting facility move to next position, repeat above-mentioned operation, accomplish construction task;
Muscle material in the described step (1) comprises steel pipe, reinforcing bar or mao bamboon, and diameter of steel tube is that φ 15mm～φ 300mm, bar diameter are that φ 8mm～φ 50mm, mao bamboon diameter are φ 30mm～φ 250mm; Bar planting facility in the described step (4) comprise artificial instrument and mechanical tool; Mechanical tool comprises cement earth pile machine, suspension type electromagnetic shaker, backacter, tup machine and can possess the stake machine of pressurization; Bar planting in the described step (5), its bar planting length should dispose according to stressing conditions and effect, need be connected with top cushion cap, beam, basis, and its muscle material protruded length should be greater than 300mm; Its bar planting method of bar planting in the described step (5) is: start the bar planting facility, make the muscle material vertically insert the cement earth pile center of not initial set, when muscle material remainder is 300mm, stop bar planting, get into the next procedure construction.
2. construction technology of planting reinforcement bar behind the cement earth pile according to claim 1; It is characterized in that: connecing muscle it connects the muscle method and is in the described step (6): for adopting steel pipe or reinforcing bar as the bar planting material; Connect the muscle method and adopt welding or screw thread mechanical connection; To guarantee the verticality of muscle material during connection, be controlled in 0.5%, until being inserted into design elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010506753A CN101974902B (en) | 2010-10-14 | 2010-10-14 | Construction process for planting reinforcement bars into cement piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010506753A CN101974902B (en) | 2010-10-14 | 2010-10-14 | Construction process for planting reinforcement bars into cement piles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974902A CN101974902A (en) | 2011-02-16 |
| CN101974902B true CN101974902B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010506753A Expired - Fee Related CN101974902B (en) | 2010-10-14 | 2010-10-14 | Construction process for planting reinforcement bars into cement piles |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452327B (en) * | 2013-08-30 | 2016-05-11 | 山西四建集团有限公司 | Constructional column bar planting positioning construction method |
| CN105133598A (en) * | 2015-08-26 | 2015-12-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Cement mixing pile structure reinforced through geosynthetic materials and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259604A (en) * | 1999-12-10 | 2000-07-12 | 王光明 | Cement earth reinforced composite piling method |
| CN1260425A (en) * | 1998-12-18 | 2000-07-19 | 邹宗煊 | Making method for reinforced concrete stiff-core cement soil composite pile and its pile and construction equipment |
| CN201165661Y (en) * | 2008-03-11 | 2008-12-17 | 中国矿业大学 | Anti-drawing high pressure rotary spray pile |
| CN101775803A (en) * | 2009-02-20 | 2010-07-14 | 上海强劲基础工程有限公司 | Mushroom-shaped mixed composite pile capable of effectively controlling settlement and construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4295880B2 (en) * | 1999-11-24 | 2009-07-15 | 佐藤工業株式会社 | Construction method of impermeable walls |
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2010
- 2010-10-14 CN CN201010506753A patent/CN101974902B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260425A (en) * | 1998-12-18 | 2000-07-19 | 邹宗煊 | Making method for reinforced concrete stiff-core cement soil composite pile and its pile and construction equipment |
| CN1259604A (en) * | 1999-12-10 | 2000-07-12 | 王光明 | Cement earth reinforced composite piling method |
| CN201165661Y (en) * | 2008-03-11 | 2008-12-17 | 中国矿业大学 | Anti-drawing high pressure rotary spray pile |
| CN101775803A (en) * | 2009-02-20 | 2010-07-14 | 上海强劲基础工程有限公司 | Mushroom-shaped mixed composite pile capable of effectively controlling settlement and construction method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-146739A 2001.05.29 |
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