CN107034875B - A kind of assembled circle test pile and production method - Google Patents
A kind of assembled circle test pile and production method Download PDFInfo
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- CN107034875B CN107034875B CN201710173557.9A CN201710173557A CN107034875B CN 107034875 B CN107034875 B CN 107034875B CN 201710173557 A CN201710173557 A CN 201710173557A CN 107034875 B CN107034875 B CN 107034875B
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 230000002787 reinforcement Effects 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 230000015271 coagulation Effects 0.000 abstract description 2
- 238000005345 coagulation Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0094—Moulds for concrete test samples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of assembled circle test pile and production methods, it is characterized in that it is assembled by spiral pile top, several pile body assembly units；Ring screw slot is set in spiral pile top；Made of pile body assembly unit is prefabricated, it be by annular bolt, toroidal helical keyhole, instrument hole, steel reinforcement cage and coagulation local soil type at.Spiral pile top and pile body assembly unit are prefabricated in advance, pile body assembly unit is made using a kind of prefabricated mould, and the assembly and pile body assembly unit between pile body assembly unit and spiral pile top are mutual to be fitted by the ring screw slot being mounted in spiral pile top, is mounted in what being threadedly coupled between the annular bolt in pile body assembly unit and toroidal helical keyhole was completed.Pile body is constructed and is mutually separated with the installation of test equipment by the present invention, and pile body of first constructing buries test equipment afterwards, both ensure that the assembling quality of pile body, and also can guarantee the installation quality of test equipment.
Description
Technical field
The present invention relates to a kind of assembled circle test pile production method, in particular to a kind of circle of live quick assembling
The production method of test pile and pile body.
Background technique
The characteristics of traditional experiment stake:
(1) when pile body is prefabricated, test equipment and pile foundation are prefabricated together, then squeeze into ground.Its disadvantage exists
Prestressing force and temperature effect effect are generated to test equipment in the setting and hardening and maintenance processes of 1. concrete, this can be in certain journey
Lead to test equipment misalignment or failure on degree；2. during pile foundation construction, pre-buried test equipment receives construction power inside pile foundation
It acts on (static pressure, impact, shock etc.), it is most likely that destroy instrument；3. test equipment makes and installs two processes by pile foundation
Afterwards, precision and accuracy are necessarily significantly influenced, and can not measure the extent of damage of each test equipment at this time,
Measurement result is not easy to guarantee, brings to engineering and much test hidden danger.
(2) when pile body is cast-in-place, test equipment welds together with steel reinforcement cage in advance, is then inserted into cast-in-place hole,
Placing concrete in hole forms pile body.Its shortcoming is that 1. the precision of the installation site of test equipment is lower；2. test equipment
Verticality or levelness are difficult to guarantee；3. prestressing force and temperature that the setting and hardening of concrete and maintenance processes generate test equipment
Effect is difficult to estimate, and the accuracy of measurement and reliability are difficult to hold；4. damage of the test equipment in the construction work of pile foundation
Degree is unable to test and counts, and measurement result is not easy to guarantee, also brings many test hidden danger to engineering.
To sum up, main problem existing for traditional experiment stake is: 1. the installation quality of measuring instrument be difficult to ensure, 2. pile body
It constructs and is difficult to estimate to the test equipment bring extent of damage, 3. there is more engineering test hidden danger.
Therefore, it needs to seek at present a kind of to can guarantee that instrument installation and pile body construction quality can guarantee test equipment again
Accuracy of measurement, the test pile of live quick assembling pile body and production method seem particularly significant.
Summary of the invention
The object of the invention is to overcome drawbacks described above, a kind of assembled circle test pile and production method are provided.
The purpose of the present invention is what is be achieved through the following technical solutions: assembled circle test pile, comprising: spiral pile top and
Several pile body assembly units；Ring screw slot is set in spiral pile top；Pile body assembly unit is by annular bolt, toroidal helical bolt
Hole, instrument hole, steel reinforcement cage and coagulation local soil type at；By being mounted in spiral pile top between pile body assembly unit and spiral pile top
Ring screw slot is connected with the annular bolt thread being mounted in pile body assembly unit, and pile body assembly unit passes through annular each other
Threaded connection between spiral keyhole and annular bolt head and the tail.
As preferred: the both ends of steel reinforcement cage are arranged in annular bolt and toroidal helical keyhole, and are mounted in concrete together
In.
The prefabricated mould of assembled circle test pile, including precast base, support rod, prefab-form and prefabricated top cover,
In, precast base is arranged circular die board slot, fixed keyhole and annular slot, prefabricated top cover and fill orifice, hole of vibrating, circular die is arranged
Board slot, fixed keyhole and annular plug；Circular die board slot is arranged on the outside of prefabricated top cover, is that annular is inserted on the inside of circular die board slot
Head, fixed keyhole are sequentially distributed in the centre of prefabricated top cover, fill orifice and hole of vibrating in the two sides of fixed keyhole.
As preferred: shaft, the instrument hole being used to form in pile body assembly unit is arranged in prefabricated mould centre.
The production method of assembled circle test pile, includes the following steps:
1) spiral pile top is made, and ring screw slot is set in spiral pile top；
2) annular bolt, toroidal helical keyhole and steel reinforcement cage are made respectively, and annular bolt and toroidal helical keyhole are set
It sets at steel reinforcement cage both ends, is stitched together；
3) the annular bolt spliced, toroidal helical keyhole and steel reinforcement cage are placed in the annular slot of precast base,
Then shaft is mounted in the fixation keyhole of precast base；
4) prefab-form is placed in the circular die board slot of precast base, and support rod is set and fixes prefab-form；
5) prefabricated top cover is installed, make circular die board slot on prefabricated top cover, fixed keyhole and annular plug respectively with it is prefabricated
Template, shaft and the intact docking of toroidal helical keyhole；
6) by the fill orifice placing concrete in prefabricated top cover, while by the hole of vibrating in prefabricated top cover to concrete
Carry out vibration compacting；
7) prefabricated top cover and prefab-form are removed after the completion of concrete curing, respectively, and by pile body assembly unit from pre-
It is hung out in pedestal processed, transfers shaft, form instrument hole；
8) step 2)~7 are repeated) the multiple pile body assembly units of production, then multiple pile body assembly units and spiral pile top into
Row is threadedly coupled, and forms assembled circle test pile.
The invention has the characteristics that and benefit:
Pile body is constructed and is mutually separated with the installation of test equipment by the present invention, and pile body of first constructing buries test equipment afterwards, both protects
The assembling quality of pile body has been demonstrate,proved, also can guarantee the installation quality of test equipment.
Preferably guaranteed by the installation quality of test equipment, can avoid pile foundation construction and damaged to test equipment bring, test
As a result the loading characteristic of pile foundation can be accurately reflected.
Each component in the present invention is prefabricated in the factory in advance, and then assembling construction and installation at the scene, substantially increases and build
Build the industrialization degree of pile foundation.
The present invention is the pile foundation for being applicable to compression stake, being equally applicable to uplift pile, also can be suitably used for bearing horizontal loading,
And it can be realized by prefabrication and assembly construction.
Detailed description of the invention
Fig. 1 is spiral pile top；
Fig. 2 is pile body assembly unit；
Fig. 3 is prefabricated mould；
Fig. 4 is precast base；
Fig. 5 is prefabricated top cover；
Fig. 6 is that annular bolt, toroidal helical keyhole, steel reinforcement cage and shaft schematic diagram are installed in prefabricated mould；
Fig. 7 is the placing concrete in prefabricated mould；
Fig. 8 is annular bolt, toroidal helical keyhole and the spliced sectional axonometric drawing of steel reinforcement cage；
Fig. 9 is the sectional axonometric drawing of pile body assembly unit.
Wherein, 1- spiral pile top；2- ring screw slot；3- pile body assembly unit；4- annular bolt；5- toroidal helical bolt
Hole；6- instrument hole；7- steel reinforcement cage；8- concrete；9- shaft；10- precast base；11- support rod；12- prefab-form；13- is pre-
Top cover processed；14- fill orifice；15- vibrates hole；16- circular die board slot；17- fixes keyhole；18- annular plug；19- annular slot.
Specific embodiment
According to shown in Fig. 1, spiral pile top 1 is made, and ring screw slot 2 is set in spiral pile top 1.
According to shown in Fig. 2 and Fig. 8, annular bolt 4, toroidal helical keyhole 5 and steel reinforcement cage 7 are made respectively, and by annular spiral shell
Bolt 4 and toroidal helical keyhole 5 are arranged at 7 both ends of steel reinforcement cage, are stitched together, as shown in Figure 8.
According to Fig.3, precast base 10, prefab-form 12 and prefabricated top cover 13 are successively made, and gets out support rod
11, and need that circular die board slot 16, fixed keyhole 17 and annular slot 19 is arranged in precast base 10, as shown in figure 4, prefabricated
Fill orifice 14, hole 15 of vibrating, circular die board slot 16, fixed keyhole 17 and annular plug 18 are set in top cover 13, as shown in Figure 5.
According to shown in Fig. 6, the annular bolt 4 spliced, toroidal helical keyhole 5 and steel reinforcement cage 7 are placed in precast base
In 10 annular slot 19, then shaft 9 is mounted in the fixation keyhole 17 of precast base 10；At the same time, at prefabricated bottom
Prefab-form 12 is placed in the circular die board slot 16 of seat 10, and support rod 11 is set and fixes prefab-form 12, and then installation is pre-
Top cover 13 processed, make circular die board slot 16 on prefabricated top cover 13, fixed keyhole 17 and annular plug 18 respectively with prefab-form 12,
Shaft 9 and the intact docking of toroidal helical keyhole 5.
Referring to Fig. 7, by 14 placing concrete 8 of fill orifice in prefabricated top cover 13, while by prefabricated top cover 13
Hole 15 of vibrating carries out vibration compacting to concrete eight, after the completion of concrete eight maintenance, removes prefabricated top cover 13 and prefabricated molds respectively
Plate 12, and pile body assembly unit 3 is hung out from precast base 10, shaft 9 is transferred, instrument hole 6 is formed.
Aforesaid operations are repeated, several pile body assembly units 3 are made, then multiple pile body assembly units 3 and spiral pile top 1
It is threadedly coupled, ultimately forms assembled circle test pile, as shown in Figure 9.
The kind assembled circle test pile of the present embodiment, it is assembled by spiral pile top 1, several pile body assembly units 3
Made of；Ring screw slot 2 is set in spiral pile top 1；Made of pile body assembly unit 3 is prefabricated, it be by annular bolt 4,
What toroidal helical keyhole 5, instrument hole 6, steel reinforcement cage 7 and concrete eight formed.
Assembled circle test pile above-mentioned, spiral pile top 1 and pile body assembly unit 3 are prefabricated in advance, pile body dresses
It is made with unit 3 using a kind of prefabricated mould, which is by precast base 10, support rod 11, prefab-form 12 and pre-
What top cover 13 processed formed, wherein circular die board slot 16, fixed keyhole 17 and annular slot 19, prefabricated top is arranged in precast base 10
Fill orifice 14, hole 15 of vibrating, circular die board slot 16, fixed keyhole 17 and annular plug 18 is arranged in lid 13.
Assembled circle test pile above-mentioned, assembly and pile body assembly between pile body assembly unit 3 and spiral pile top 1
Unit 3 is mutual to be fitted by the ring screw slot 2 being mounted in spiral pile top 1, is mounted in pile body assembly unit 3
What the threaded connection between annular bolt 4 and toroidal helical keyhole 5 was completed.
Assembled circle test pile above-mentioned, the instrument hole 6 in pile body assembly unit 3 are by advance in prefabricated mould
Center portion position is arranged what shaft 9 was formed, if it is desired, multiple instrument holes 6 can be arranged in pile body assembly unit 3.
The both ends of steel reinforcement cage 7 are arranged in assembled circle test pile above-mentioned, annular bolt 4 and toroidal helical keyhole 5, and
It is mounted in concrete eight, after the completion of concrete eight maintenance, pile body assembly unit 3 is removed from prefabricated mould, and extracts out together
The shaft 9 at center forms instrument hole 6.
A kind of production method of assembled circle test pile, includes the following steps:
(1) spiral pile top 1 is made, and ring screw slot 2 is set in spiral pile top 1.
(2) annular bolt 4, toroidal helical keyhole 5 and steel reinforcement cage 7 are made respectively, and by annular bolt 4 and toroidal helical bolt
Hole 5 is arranged at 7 both ends of steel reinforcement cage, is stitched together.
(3) annular that the annular bolt 4 spliced, toroidal helical keyhole 5 and steel reinforcement cage 7 are placed in precast base 10 is inserted
In slot 19, then shaft 9 is mounted in the fixation keyhole 17 of precast base 10.
(4) in the circular die board slot 16 of precast base 10 place prefab-form 12, and be arranged support rod 11 fix it is pre-
Pallet 12.
(5) prefabricated top cover 13 is installed, circular die board slot 16, fixed keyhole 17 and annular plug 18 on prefabricated top cover 13 are made
Respectively with prefab-form 12, shaft 9 and toroidal helical keyhole 5 is intact docks.
(6) by 14 placing concrete 8 of fill orifice in prefabricated top cover 13, while passing through the hole of vibrating in prefabricated top cover 13
15 pairs of concrete eights carry out vibration compacting.
(7) after the completion of concrete eight maintenance, prefabricated top cover 13 and prefab-form 12 are removed respectively, and pile body is assembled into list
Member 3 is hung out from precast base 10, transfers shaft 9, forms instrument hole 6.
(8) step (2)~(7) are repeated and makes multiple pile body assembly units 3, then multiple pile body assembly units 3 and spiral
Pile top 1 is threadedly coupled, and assembled circle test pile is formed.
Claims (3)
1. a kind of assembled circle test pile characterized by comprising spiral pile top (1) and several pile body assembly units
(3)；Ring screw slot (2) are set in spiral pile top (1)；Pile body assembly unit (3) is by annular bolt (4), toroidal helical keyhole
(5), instrument hole (6), steel reinforcement cage (7) and concrete (8) composition；By embedding between pile body assembly unit (3) and spiral pile top (1)
Gu connecting in the ring screw slot (2) on spiral pile top (1) and annular bolt (4) screw thread being mounted in pile body assembly unit (3)
It connects, pile body assembly unit (3) passes through the threaded connection between toroidal helical keyhole (5) and annular bolt (4) head and the tail each other；Ring
Shape bolt (4) and toroidal helical keyhole (5) are arranged at the both ends of steel reinforcement cage (7), and are mounted in concrete (8) together；Including
Precast base (10), support rod (11), prefab-form (12) and prefabricated top cover (13), wherein precast base (10) setting annular
Template slot (16), fixed keyhole (17) and annular slot (19), prefabricated top cover (13) setting fill orifice (14), hole of vibrating (15),
Circular die board slot (16), fixed keyhole (17) and annular plug (18)；Circular die board slot (16) setting prefabricated top cover (13) outside
Side, circular die board slot (16) inside is annular plug (18), the centre of fixed keyhole (17) in prefabricated top cover (13), fill orifice
(14) it is sequentially distributed with hole of vibrating (15) in the two sides of fixed keyhole (17).
2. the prefabricated mould of assembled circle test pile according to claim 1, it is characterised in that: prefabricated mould central part
Position setting shaft (9), the instrument hole (6) being used to form in pile body assembly unit (3).
3. a kind of production method of assembled circle test pile as described in claim 1, it is characterised in that including step below
It is rapid:
1) spiral pile top (1) is made, and ring screw slot (2) is set on spiral pile top (1)；
2) annular bolt (4), toroidal helical keyhole (5) and steel reinforcement cage (7) are made respectively, and by annular bolt (4) and annular spiral shell
It revolves keyhole (5) to be arranged at steel reinforcement cage (7) both ends, be stitched together；
3) the annular bolt (4) spliced, toroidal helical keyhole (5) and steel reinforcement cage (7) are placed in the ring of precast base (10)
In shape slot (19), then shaft (9) is mounted in the fixation keyhole (17) of precast base (10)；
4) prefab-form (12) are placed in the circular die board slot (16) of precast base (10), and support rod (11) is set and is fixed
Prefab-form (12)；
5) prefabricated top cover (13) are installed, insert the circular die board slot (16) on prefabricated top cover (13), fixed keyhole (17) and annular
Head (18) respectively with prefab-form (12), shaft (9) and toroidal helical keyhole (5) is intact docks；
6) by fill orifice (14) placing concrete (8) in prefabricated top cover (13), while passing through the vibration in prefabricated top cover (13)
It smashes hole (15) and vibration compacting is carried out to concrete (8)；
7) after the completion of concrete (8) maintenance, prefabricated top cover (13) and prefab-form (12) are removed respectively, and pile body is assembled into list
First (3) are hung out from precast base (10), are transferred shaft (9), are formed instrument hole (6)；
8) step 2)~7 are repeated) the multiple pile body assembly units (3) of production, then multiple pile body assembly units (3) and spiral pile top
(1) it is threadedly coupled, forms assembled circle test pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173557.9A CN107034875B (en) | 2017-03-22 | 2017-03-22 | A kind of assembled circle test pile and production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173557.9A CN107034875B (en) | 2017-03-22 | 2017-03-22 | A kind of assembled circle test pile and production method |
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| Publication Number | Publication Date |
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| CN107034875A CN107034875A (en) | 2017-08-11 |
| CN107034875B true CN107034875B (en) | 2019-02-22 |
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| CN107989080B (en) * | 2018-01-04 | 2023-08-22 | 宁波宁大工程建设监理有限公司 | Assembled rectangular model pile and manufacturing method thereof |
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| JP4609627B2 (en) * | 2004-03-17 | 2011-01-12 | 三谷セキサン株式会社 | Joining method of ready-made piles, Joined hardware of ready-made piles |
| CN201722711U (en) * | 2010-05-13 | 2011-01-26 | 机械工业勘察设计研究院 | Internal force testing device for PHC tubular pile load test |
| CN103603336B (en) * | 2013-10-31 | 2017-01-11 | 周兆弟 | Grouting precast pile and grouting method |
| CN104652421B (en) * | 2015-02-16 | 2016-11-30 | 济南轨道交通集团有限公司 | A kind of prefabricated pipe stake and method of attachment |
| CN206768882U (en) * | 2017-03-22 | 2017-12-19 | 深圳市福田建安建设集团有限公司 | A kind of assembled circle test pile |
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