CN105297710A - High-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and manufacturing method - Google Patents

High-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and manufacturing method Download PDF

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Publication number
CN105297710A
CN105297710A CN201510811470.0A CN201510811470A CN105297710A CN 105297710 A CN105297710 A CN 105297710A CN 201510811470 A CN201510811470 A CN 201510811470A CN 105297710 A CN105297710 A CN 105297710A
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pile
construction
concrete
pile body
pressure
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CN201510811470.0A
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李金良
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李金良
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Abstract

The invention discloses a high-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and a manufacturing method. The high-pressure-jetting cement twist drill and reamed reinforced concrete grouting combined pile comprises a pile body. The pile body is composed of a pile shaft and a cement soil pile. A high-pressure-jetting cavity is formed between the cement soil pile and the pile body. Concrete press-grouting is conducted on the high-pressure-jetting cavity and the pile shaft to form an expanded concrete body. The expanded concrete body is arranged in the pile shaft. A combined pile body and a rebar cage are arranged in the pile body. The combined pile body is formed by compounding a cast-in-place concrete pile and the cement soil pile. The manufacturing method of the high-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile includes the following steps of firstly, construction preparation, secondly, pore-forming and high-pressure-jetting cement soil pile construction, thirdly, concrete press-grouting construction, fourthly, high-pressure-jetting cement soil press-grouting combined pile construction completion and fifthly, next pile foundation construction. By means of the high-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and the manufacturing method, one-machine construction is achieved, device input is low, energy consumption is low, and device use cost is low.

Description

A kind of high spraying cement earth auger squeezes, reaming steel concrete pours into compound pile and preparation method
Technical field
The present invention relates to a kind of compound pile and preparation method thereof, be specifically related to that a kind of high spraying cement earth auger squeezes, reaming steel concrete perfusion compound pile and preparation method, belong to foundation construction field of engineering technology.
Background technology
Along with the fast development of national economy and infrastructure, pile foundation and basement process scale increase substantially, for saving construction costs, reduce investment outlay, for improving bearing capacity of single pile, shearing resistance, recent year develops shaped pile in a large number, compound pile, some new construction methods such as pouring mortar pile, some new pile-type are there is, and promoted the use of, wherein castinplace pile post grouting pile, high spray lock pin combination pile, helix extruding-enlarging stake (SDS stake), the stake of back taper step, spiral hole-enlargement pile, the two-way extruded and extended pile of variable cross-section etc. is researched and developed popularization with the various pile-type of spiral drill pore-forming, scale uses at home, the type compares with conventional stake, there is bearing capacity of single pile high, the advantages such as cost saving, society, economic benefit is obvious, the engineering method of castinplace pile grouting behind shaft or drift lining, because the requirement that must enter soil layer by Grouting Pipe termination affects, it is very strict that Grouting Pipe and reinforcing cage lay requirement, pore-forming equipment is generally limited to turn round, rushes, digs drilling construction, construction speed is affected, because slip casting port is fixing slip casting, the cement-soil shape thicknesses formed after slip casting is irregular, the more difficult control of quality of cementitious composite soil, has an impact to bearing capacity of single pile, because slip casting is rearmounted construction, in construction of pile groups, affect by slip casting in early stage, later stage Center stake grouting amount is affected, and has an impact to bearing capacity of single pile, the construction of high spray lock pin combination pile is general adopt high spray drilling machine construction to complete after, the recycling pressure rig that shakes carries out lock pin construction, and equipment investment is many,, there is construction speed slow in crossed construction, cement paste runs off large, the problems such as scene is seriously polluted, limiting this compound pile promotes the use of, auger (squeezed, expanding) hole deposited reinforced concrete pile well solves, compacting compacted to the soil body of stake holes hole wall, expanding, increase the frictional resistance of pile peripheral earth, the raising of bearing capacity of single pile is improved, but such pile-type could not solve the bearing power increase of pile-end soil body, little to the increase rate of bearing capacity of single pile, contribution is not enough, comprehensively above-mentioned, castinplace pile grouting behind shaft or drift lining, there is rig in high spray lock pin combination pile construction equipment type selecting and select limitation, uncertain factor or defect is there is in speed of application, quality, environmental protection etc., at the bottom of auger (squeezed, expanding) hole deposited reinforced concrete pile stake and corresponding stake side composite cement soil combinationally use make bearing capacity of pile tip, pile side friction improves, bearing capacity of single pile is able to great raising.
Summary of the invention
(1) technical problem that will solve
For solving the problem, the present invention proposes that a kind of high spraying cement earth auger squeezes, reaming steel concrete perfusion compound pile and preparation method, realize unit construction, equipment investment amount is few, and energy consumption is low, and equipment use cost is low.
(2) technical scheme
High spraying cement earth auger of the present invention squeezes, reaming steel concrete perfusion compound pile, and comprise pile body, described pile body is made up of pile body and a cement earth pile; Be formed with height between described cement earth pile and pile body and spray cavity; Described height spray cavity and pile body are filled with by coagulation soil pressure and are formed expanding concrete body; Described expanding concrete body is arranged at bottom pile body; Described pile body inside is provided with compound pile and reinforcing cage; Described compound pile is composited by cast-in-place concrete pile and cement earth pile.
A kind of high spraying cement earth auger squeezes, reaming steel concrete perfusion compound pile, and comprise pile body, described pile body is made up of pile body and multiple cement earth pile; Be formed with height between described cement earth pile and pile body and spray cavity; Described height spray cavity and pile body are filled with by coagulation soil pressure and are formed expanding concrete body; Described expanding concrete body is along the depth direction spaced set of pile body; Described pile body inside is provided with compound pile and reinforcing cage; Described compound pile is composited by cast-in-place concrete pile and cement earth pile.
High spraying cement earth auger squeezes, a preparation method for reaming steel concrete perfusion compound pile, comprises the following steps:
Step one: preparation of construction, before construction, three supplies and one leveling preparation is carried out at scene, and equipment is marched into the arena assembly and adjustment, surveying setting-out, tests line, and inspection is put in stake position;
Step 2: pore-forming and high water spray earth pile driving construction, be positioned by the drill bit of multifunctional drill for the stake position place set, carry out helix extruding-enlarging examination pore-forming, pile, composite test determination heavy jet grouting amount, rotating speed and carry drilling speed degree after multifunctional drill is in place; After having tested, start drilling machine construction, drilling tool creeps into and complete drilling construction at the bottom of hole; Start heavy jet grouting device, carry and bore the high spray of beginning, stirring concrete earth construction; High spray stirs construction to design attitude, and high water spray earth pile driving construction is complete;
Step 3: after high water spray earth pile driving construction completes in step 2, transfer design attitude at the bottom of drilling tool to hole, start coagulation soil pressure filling device, start coagulation soil pressure and fill with construction, coagulation soil pressure fills with high to stake top mark, and coagulation soil pressure is filled with construction and completed;
Step 4: after coagulation soil pressure has been filled with in step 3, install reinforcing cage is to stake top orifice position, and reinforcing cage construction is laid in the punching that starts to shake, and reinforcing cage is placed to design elevation, proposes vibrating arm, and high spraying cement soil pressure is filled with compound pile and constructed;
Step 5: after step 4 has been constructed, is shifted multifunctional drill, carries out next step pile foundation construction, carry out pile foundation examination when multi-functional drill machine equipment is withdrawn.
(3) beneficial effect
Compared with prior art, high spraying cement earth auger of the present invention squeezes, reaming steel concrete pours into compound pile and preparation method thereof, utilize multifunctional drill, adopt long spire (bore, squeezed, expanding) pore-forming, utilize major diameter, the spray of bull height, mixing plant, realize the spray of cement-soil height, stir compound; High water spray earth has been constructed, realize coagulation soil pressure with position at the bottom of discharge hole under drilling tool and fill with construction, coagulation soil pressure is filled with, and (forming chamber portion coagulation soil pressure containing high spray fill with and then form expanding concrete body) completes, pressure of shaking installs reinforcing cage, high spraying cement soil pressure is filled with pile driving construction and is completed, and forms the novel pile body of a series of high-bearing capacity; This pile body is environmental protection more, and realize unit construction, equipment investment amount is few, and energy consumption is low, and equipment use cost is low; Because height spray adopts major diameter, bull shotcrete construction, speed of application is fast, and the duration is short, high efficiency; Because construction pore-creating is long spire construction, geological conditions applicability is strong, is applicable to bad ground construction; This pile body bearing capacity is high, sedimentation is little, construction technology is simple, workable, be convenient to quality control, detection, properties are remarkable, this pile body earth side friction that catchments is large, the large two aspect advantages of castinplace pile rigidity, thus making bearing capacity be better than cement earth pile and castinplace pile bearing capacity of single pile, shearing resistance is greatly improved, thus produces larger social and economic benefits.
Accompanying drawing explanation
Fig. 1 is the workflow schematic diagram of step 2 in embodiments of the invention 1;
Fig. 2 is the workflow schematic diagram of step 3 in embodiments of the invention 1;
Fig. 3 is the workflow schematic diagram of step 4 in embodiments of the invention 1;
Fig. 4 is the workflow schematic diagram of step 2 in embodiments of the invention 2;
Fig. 5 is the workflow schematic diagram of step 3 in embodiments of the invention 2;
Fig. 6 is the workflow schematic diagram of step 4 in embodiments of the invention 2.
Component in accompanying drawing are labeled as: 1-pile body, 2-pile body, the expanding concrete body of 3-, 4-compound pile, 5-cement earth pile, 6-reinforcing cage, 7-height spray cavity.
Detailed description of the invention
Embodiment 1:
High spraying cement earth auger as shown in Figure 1 to Figure 3 squeezes, reaming steel concrete perfusion compound pile, and comprise pile body 1, described pile body 1 is made up of pile body 2 and a cement earth pile 5; Be formed with height between described cement earth pile 5 and pile body 2 and spray cavity 7; Described height spray cavity 7 and pile body 2 are filled with by coagulation soil pressure and are formed expanding concrete body 3; Described expanding concrete body 3 is arranged at bottom pile body 2; Described pile body 1 inside is provided with compound pile 4 and reinforcing cage 5; Described compound pile 4 is composited by cast-in-place concrete pile and cement earth pile.
High spraying cement earth auger squeezes, a preparation method for reaming steel concrete perfusion compound pile, comprises the following steps:
Step one: preparation of construction, before construction, three supplies and one leveling preparation is carried out at scene, and equipment is marched into the arena assembly and adjustment, surveying setting-out, tests line, and inspection is put in stake position;
Step 2: pore-forming and high water spray earth pile driving construction, be positioned by the drill bit of multifunctional drill for the stake position place set, carry out helix extruding-enlarging examination pore-forming, pile, composite test determination heavy jet grouting amount, rotating speed and carry drilling speed degree after multifunctional drill is in place; After having tested, start drilling machine construction, drilling tool creeps into and complete drilling construction at the bottom of hole; Start heavy jet grouting device, carry and bore the high spray of beginning, stirring concrete earth construction; High spray stirs construction to design attitude, and high water spray earth pile driving construction is complete;
Step 3: after high water spray earth pile driving construction completes in step 2, transfer design attitude at the bottom of drilling tool to hole, start coagulation soil pressure filling device, start coagulation soil pressure and fill with construction, coagulation soil pressure is filled with, and (forming chamber portion coagulation soil pressure containing high spray fill with and then form expanding concrete body) is high to stake top mark, and coagulation soil pressure is filled with construction and completed;
Step 4: after coagulation soil pressure has been filled with in step 3, install reinforcing cage is to stake top orifice position, and reinforcing cage construction is laid in the punching that starts to shake, and reinforcing cage is placed to design elevation, proposes vibrating arm, and high spraying cement soil pressure is filled with compound pile and constructed;
Step 5: after step 4 has been constructed, is shifted multifunctional drill, carries out next step pile foundation construction, carry out pile foundation examination when multi-functional drill machine equipment is withdrawn.
Embodiment 2:
High spraying cement earth auger as shown in Figures 4 to 6 squeezes, reaming steel concrete perfusion compound pile, and comprise pile body 1, described pile body 1 is made up of pile body 2 and multiple cement earth pile 5; Be formed with height between described cement earth pile 5 and pile body 2 and spray cavity 7; Described height spray cavity 7 and pile body 2 are filled with by coagulation soil pressure and are formed expanding concrete body 3; Described expanding concrete body 3 is along the depth direction spaced set of pile body 2; Described pile body 1 inside is provided with compound pile 4 and reinforcing cage 5; Described compound pile 4 is composited by cast-in-place concrete pile and cement earth pile.
High spraying cement earth auger squeezes, a preparation method for reaming steel concrete perfusion compound pile, comprises the following steps:
Step one: preparation of construction, before construction, three supplies and one leveling preparation is carried out at scene, and equipment is marched into the arena assembly and adjustment, surveying setting-out, tests line, and inspection is put in stake position;
Step 2: pore-forming and high water spray earth pile driving construction, be positioned by the drill bit of multifunctional drill for the stake position place set, carry out helix extruding-enlarging examination pore-forming, pile, composite test determination heavy jet grouting amount, rotating speed and carry drilling speed degree after multifunctional drill is in place; After having tested, start drilling machine construction, drilling tool creeps into and complete drilling construction at the bottom of hole; Start heavy jet grouting device, carry and bore the high spray of beginning, stirring concrete earth construction; High spray stirs construction to design attitude, and high water spray earth pile driving construction is complete;
Step 3: after high water spray earth pile driving construction completes in step 2, transfer design attitude at the bottom of drilling tool to hole, start coagulation soil pressure filling device, start coagulation soil pressure and fill with construction, coagulation soil pressure is filled with, and (forming chamber portion coagulation soil pressure containing high spray fill with and then form expanding concrete body) is high to stake top mark, and coagulation soil pressure is filled with construction and completed;
Step 4: after coagulation soil pressure has been filled with in step 3, install reinforcing cage is to stake top orifice position, and reinforcing cage construction is laid in the punching that starts to shake, and reinforcing cage is placed to design elevation, proposes vibrating arm, and high spraying cement soil pressure is filled with compound pile and constructed;
Step 5: after step 4 has been constructed, is shifted multifunctional drill, carries out next step pile foundation construction, carry out pile foundation examination when multi-functional drill machine equipment is withdrawn.
Wherein, described solidifying native castinplace pile and cement earth pile can realize the composite type of combination, lower combination, many combinations.
Embodiment recited above is only be described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention; the various modification that this area ordinary person makes technical scheme of the present invention and improvement; all should drop into protection scope of the present invention, the technology contents of request protection of the present invention, all records in detail in the claims.

Claims (3)

1. high spraying cement earth auger squeeze, reaming steel concrete perfusion a compound pile, it is characterized in that: comprise pile body, described pile body is made up of pile body and a cement earth pile; Be formed with height between described cement earth pile and pile body and spray cavity; Described height spray cavity and pile body are filled with by coagulation soil pressure and are formed expanding concrete body; Described expanding concrete body is arranged at bottom pile body; Described pile body inside is provided with compound pile and reinforcing cage; Described compound pile is composited by cast-in-place concrete pile and cement earth pile.
2. high spraying cement earth auger squeeze, reaming steel concrete perfusion a compound pile, it is characterized in that: comprise pile body, described pile body is made up of pile body and multiple cement earth pile; Be formed with height between described cement earth pile and pile body and spray cavity; Described height spray cavity and pile body are filled with by coagulation soil pressure and are formed expanding concrete body; Described expanding concrete body is along the depth direction spaced set of pile body; Described pile body inside is provided with compound pile and reinforcing cage; Described compound pile is composited by cast-in-place concrete pile and cement earth pile.
3. the preparation method that high spraying cement earth auger squeezes, reaming steel concrete pours into compound pile, is characterized in that: comprise the following steps:
Step one: preparation of construction, before construction, three supplies and one leveling preparation is carried out at scene, and equipment is marched into the arena assembly and adjustment, surveying setting-out, tests line, and inspection is put in stake position;
Step 2: pore-forming and high water spray earth pile driving construction, be positioned by the drill bit of multifunctional drill for the stake position place set, carry out helix extruding-enlarging examination pore-forming, pile, composite test determination heavy jet grouting amount, rotating speed and carry drilling speed degree after multifunctional drill is in place; After having tested, start drilling machine construction, drilling tool creeps into and complete drilling construction at the bottom of hole; Start heavy jet grouting device, carry and bore the high spray of beginning, stirring concrete earth construction; High spray stirs construction to design attitude, and high water spray earth pile driving construction is complete;
Step 3: after high water spray earth pile driving construction completes in step 2, transfer design attitude at the bottom of drilling tool to hole, start coagulation soil pressure filling device, start coagulation soil pressure and fill with construction, coagulation soil pressure fills with high to stake top mark, and coagulation soil pressure is filled with construction and completed;
Step 4: after coagulation soil pressure has been filled with in step 3, install reinforcing cage is to stake top orifice position, and reinforcing cage construction is laid in the punching that starts to shake, and reinforcing cage is placed to design elevation, proposes vibrating arm, and high spraying cement soil pressure is filled with compound pile and constructed;
Step 5: after step 4 has been constructed, is shifted multifunctional drill, carries out next step pile foundation construction, carry out pile foundation examination when multi-functional drill machine equipment is withdrawn.
CN201510811470.0A 2015-11-11 2015-11-11 High-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and manufacturing method Pending CN105297710A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297712A (en) * 2015-11-24 2016-02-03 李金良 Construction method for composite pile of auger-bored high-pressure-jetting cemented soil composite variable-cross-section concrete pile
CN105507338A (en) * 2015-12-24 2016-04-20 李金良 Campshed and inserted piled slab combined supporting water-plugging continuous wall forming construction method
CN110886292A (en) * 2019-11-29 2020-03-17 裴晓峰 Full-casing composite expanded-disk pile construction method and equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852966A (en) * 1971-12-14 1974-12-10 R Taranto Method for consolidating impermeable soils and pile provided thereby as fitted with spaced apart enlargements
CN1298991A (en) * 2001-01-18 2001-06-13 北京市机械施工公司 Pile forming method by drilling, enlarging, pressure-grouting and filling
CN2716339Y (en) * 2004-08-07 2005-08-10 曾毅学 Cement earth stiffening core hole-enlargement pile
CN103924586A (en) * 2014-03-18 2014-07-16 沈保汉 Multi-section reaming cast-in-place pile construction method
CN205100208U (en) * 2015-11-11 2016-03-23 李金良 Crowded, reaming reinforced concrete bored concrete pile composite pile of high water spray earth anger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852966A (en) * 1971-12-14 1974-12-10 R Taranto Method for consolidating impermeable soils and pile provided thereby as fitted with spaced apart enlargements
CN1298991A (en) * 2001-01-18 2001-06-13 北京市机械施工公司 Pile forming method by drilling, enlarging, pressure-grouting and filling
CN2716339Y (en) * 2004-08-07 2005-08-10 曾毅学 Cement earth stiffening core hole-enlargement pile
CN103924586A (en) * 2014-03-18 2014-07-16 沈保汉 Multi-section reaming cast-in-place pile construction method
CN205100208U (en) * 2015-11-11 2016-03-23 李金良 Crowded, reaming reinforced concrete bored concrete pile composite pile of high water spray earth anger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297712A (en) * 2015-11-24 2016-02-03 李金良 Construction method for composite pile of auger-bored high-pressure-jetting cemented soil composite variable-cross-section concrete pile
CN105507338A (en) * 2015-12-24 2016-04-20 李金良 Campshed and inserted piled slab combined supporting water-plugging continuous wall forming construction method
CN110886292A (en) * 2019-11-29 2020-03-17 裴晓峰 Full-casing composite expanded-disk pile construction method and equipment
CN110886292B (en) * 2019-11-29 2021-10-26 祝波 Full-casing composite expanded-disk pile construction method and equipment

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