CN107740427A - A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure - Google Patents
A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure Download PDFInfo
- Publication number
- CN107740427A CN107740427A CN201711037063.4A CN201711037063A CN107740427A CN 107740427 A CN107740427 A CN 107740427A CN 201711037063 A CN201711037063 A CN 201711037063A CN 107740427 A CN107740427 A CN 107740427A
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- China
- Prior art keywords
- concrete prefabricated
- side wall
- prefabricated square
- guan liang
- interpolation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to foundation pit enclosure technical field of construction, specifically a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure, shift to an earlier date pre-buried side wall connection embedded sleeve barrel in prefabrication process and be connected embedded sleeve barrel with Guan Liang, Guan Liang embedded ribs are installed on Guan Liang connection embedded sleeve barrel in construction, overall structure is formed with Guan Liang；Before side wall construction, inner side soil cement parcel is cut, side wall embedded ribs are installed on side wall connection embedded sleeve barrel, overall structure is formed with side wall.Have the following advantages compared with prior art：Method of the present invention in later stage main body construction, has carried out secondary use to foundation pit enclosure structure, and by connecting reinforcing bar, the concrete prefabricated square pile of interpolation is combined with side wall integral, improves the secondary service efficiency of resource.Method of the present invention, is easily understood, and the instrument used is also daily visible, so being worthy to be popularized.
Description
Technical field
The present invention relates to foundation pit enclosure technical field of construction, and in particular to a kind of interpolation concrete prefabricated square pile foundation pit enclosure
The construction method of structure.
Background technology
Building enclosure, which can only be used as, in traditional construction design goes along with sb. to guard him merely use, can not be sharp again after the completion of later stage main body
With causing the significant wastage of resource.
Therefore, it is necessary to cheat new construction method of enclosure structure using a kind of interpolation concrete prefabricated square pile foundation so that early stage
Building enclosure is combined integral in later stage main body construction with side wall, improves agent structure intensity and resource utilization.
The content of the invention
A kind of the present invention is intended to provide construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure.
The present invention is achieved by the following technical solutions：A kind of interpolation concrete prefabricated square stake foundation pit enclosure structure is applied
Work method, comprises the following steps：
(i) the construction of the concrete prefabricated square pile of interpolation
1）After rotary drilling rig movement is in place, drill bit is accurately aimed at stake position center, stops drilling after piercing preexisting hole depth, and with clearly
Slag drilling bucket borehole cleaning is to design requirement；
2）Drilling rod is proposed after the sediment of rotated inside unit head cleaning hole bottom in situ after the completion of drilling, with crawler crane the filling assembled
Starch under pipe to bottom hole, soil cement is pumped into preexisting hole by grout pipe using pumping equipment；
3）Concrete prefabricated square pile is transferred into designed elevation using crawler crane, stake top absolute altitude is checked, is checked before lifting by crane
Whether side wall connection embedded sleeve barrel is towards side wall design attitude；The concrete prefabricated square pile is the concrete with framework of steel reinforcement
Precast square pile, one side outside of framework of steel reinforcement are provided with some side walls connection embedded sleeve barrels, reinforcing bar by reinforcing bar from top to bottom
Top of the trellis is threaded with some Guan Liang connection embedded sleeve barrels；
(ii) concrete prefabricated square pile is connected with Guan Liang
4）After concrete prefabricated square pile to be interpolated is completed and reaches design strength, four sides of concrete prefabricated square pile periphery formed with
The soil cement solidification layer that preexisting hole wall is adapted, then carry out concrete prefabricated square pile stake top Guan Liang foundation trench and excavate；
5）After the completion of concrete prefabricated square pile stake top Guan Liang foundation trench excavates, stake top is cleared up, at the same it is pre- in interpolation concrete
Guan Liang embedded ribs are installed on the Guan Liang connection embedded sleeve barrel of square pile processed, the overall skeleton connection of Guan Liang embedded ribs and Guan Liang, poured
The concrete of Guan Liang, form integrative-structure；
(iii) concrete prefabricated square pile is connected with side wall
6）After the completion of concrete prefabricated square pile to be interpolated, when side wall is constructed, the cement of concrete prefabricated square pile one side periphery is cut
Native solidification layer, side wall embedded ribs are installed on side wall connection embedded sleeve barrel, side wall embedded ribs are connected with side wall framework of steel reinforcement, poured
The concrete of side wall, form overall structure.
As the further improvement of technical solution of the present invention, the side wall connection embedded sleeve barrel passes through bar connecting to reinforcing bar
The cross rail outer of skeleton.
As the further improvement of technical solution of the present invention, the Guan Liang connection embedded sleeve barrel is connected to the vertical of framework of steel reinforcement
Back portion.
As the further improvement of technical solution of the present invention, center and the stake position centre deviation≤20mm of described drill bit.
As the further improvement of technical solution of the present invention, described drilling process inner side unit head pressure≤24Mpa.
As the further improvement of technical solution of the present invention, the design requirement of described borehole cleaning is scarfing cinder drilling bucket borehole cleaning to hole
Bottom sediment≤50mm.
The soil cement prepared as the further improvement of technical solution of the present invention, described soil cement for following ratio, water
Mud：Dry ground：Water：The mass ratio of waterglass is 2:1:1.75:2.5.
A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure of the present invention, it is pre- in advance in prefabrication process
Bury side wall connection embedded sleeve barrel and embedded sleeve barrel is connected with Guan Liang, installation Guan Liang is pre-buried on Guan Liang connection embedded sleeve barrel in construction
Muscle, overall structure is formed with Guan Liang；Before side wall construction, inner side soil cement parcel is cut, is installed on side wall connection embedded sleeve barrel
Side wall embedded ribs, overall structure is formed with side wall.
Have the following advantages compared with prior art：
1st, method of the present invention has carried out secondary use to foundation pit enclosure structure in later stage main body construction, passes through connection
It is integral that reinforcing bar makes the concrete prefabricated square pile of interpolation be combined with side wall, improves the secondary service efficiency of resource.
2nd, the concrete prefabricated square pile of interpolation used in the process can shift to an earlier date precasting yard carry out it is prefabricated, with side wall connect
After connecing, agent structure intensity is effectively increased, it is safe.
3rd, method of the present invention, is easily understood, and the instrument used is also daily visible, so being worthy to be popularized.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the use state figure for the interpolation assembly concrete precast square pile that piling wall of the present invention combines.
Fig. 2 is A-A sectional views in Fig. 1.In figure, the soil cement solidification layer in side wall construction linea oblique anterior region is present, during construction
Need to cut the hatched example areas.
Fig. 3 is the B-B sectional views in Fig. 1.
In figure：1- frameworks of steel reinforcement, 2- side walls connection embedded sleeve barrel, 3- side walls embedded ribs, 4- Guan Liangs connection embedded sleeve barrel, 5-
Guan Liang embedded ribs, 6- pile bodies, 7- soil cements solidification layer, 8- side walls, 9- Guan Liangs.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
Technical scheme is described in detail below in conjunction with the accompanying drawings.
Interpolation concrete prefabricated square stake foundation pit enclosure structure is mixed using the pore-forming slip casting interpolation C50 of Φ 1100,70cm × 70cm
Coagulate native precast square pile, stake spacing 130cm.The present invention at concrete prefabricated square stake top end and with the adjacent sections of side wall 8 by being connected
Embedded sleeve barrel, later stage are combined into overall structure with Guan Liang 9 and side wall 8 by installing embedded ribs on connection embedded sleeve barrel, improved
While having enclosed protection structure intensity, agent structure intensity is enhanced, improves the utilization rate of resource.
The concrete prefabricated square pile of interpolation, including pile body 6, the pile body 6 are made up of stake core and stake side, the stake
Core is the concrete prefabricated square pile with framework of steel reinforcement 1, and the stake side is the soil cement solidification layer 7 positioned at the side of stake core four periphery,
There are some side walls to connect embedded sleeve barrel 2, the top of framework of steel reinforcement 1 by reinforcement installation on the framework of steel reinforcement 1 on wherein one side of stake core
It is threaded with some Guan Liang connection embedded sleeve barrels 4.Specifically, side wall connection embedded sleeve barrel 2 connects embedded sleeve barrel 4 with Guan Liang
Outermost can flush with stake core outer surface, or extended stake core outer surface.In addition before construction method of the present invention progress
Prefabricated concrete prefabricated square pile need to be shifted to an earlier date.
A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure, comprises the following steps：
(i) the construction of the concrete prefabricated square pile of interpolation
1）After the movement of SWDM280 types rotary drilling rig is in place, drill bit is accurately aimed at stake position center and deviation≤20mm, in drilling process
Side unit head pressure≤24Mpa, pierce and stop drilling after preexisting hole depth, and use scarfing cinder drilling bucket borehole cleaning to design requirement, i.e., clearly
Slag drilling bucket borehole cleaning is to bottom hole sediment≤50mm；
2）Drilling rod is proposed after the sediment of rotated inside unit head cleaning hole bottom in situ after the completion of drilling, with crawler crane the filling assembled
Starch under pipe to bottom hole, soil cement is pumped into preexisting hole by grout pipe using pumping equipment, cement in the soil cement：Dry ground：
Water：The mass ratio of waterglass is 2:1:1.75:2.5；
3）Concrete prefabricated square pile is transferred into designed elevation using XGC150 types crawler crane, stake top absolute altitude checked, partially
Difference control checks side wall connection embedded sleeve barrel 2 between 0 ~ 2cm before lifting by crane（Model M24）Whether towards the design attitude of side wall 8；
The concrete prefabricated square pile is the concrete prefabricated square pile with framework of steel reinforcement 1, passes through reinforcing bar on the outside of one side of framework of steel reinforcement 1
Some side wall connection embedded sleeve barrels 2 are installed from top to bottom, the screw top of framework of steel reinforcement 1 is connected with some Guan Liangs and connects pre-buried set
Cylinder 4（Model M24）；
(ii) concrete prefabricated square pile is connected with Guan Liang
4）After concrete prefabricated square pile to be interpolated is completed and reaches design strength, four sides of concrete prefabricated square pile periphery formed with
The soil cement solidification layer 7 that preexisting hole wall is adapted, then carry out concrete prefabricated square pile stake top Guan Liang foundation trench and excavate；
5）After the completion of concrete prefabricated square pile stake top Guan Liang foundation trench excavates, stake top is cleared up, at the same it is pre- in interpolation concrete
Guan Liang embedded ribs are installed on the Guan Liang connection embedded sleeve barrel 4 of square pile processed（Φ 22mm, L50cm）5, Guan Liang embedded ribs 5 and Guan Liang 9
Overall skeleton connects, and pours the concrete of Guan Liang 9, forms integrative-structure；
(iii) concrete prefabricated square pile is connected with side wall
6）After the completion of concrete prefabricated square pile to be interpolated, when side wall 8 is constructed, the cement of concrete prefabricated square pile one side periphery is cut
Native solidification layer 7（Hatched example areas as shown in Figure 2）, side wall embedded ribs 3 are installed on side wall connection embedded sleeve barrel 2（Φ 22mm,
L35cm）, side wall embedded ribs 3 are connected with side wall framework of steel reinforcement, pour the concrete of side wall 8, form overall structure.
Specifically, as shown in figure 3, the side wall is connected outside crossbeam of the embedded sleeve barrel 2 by bar connecting to framework of steel reinforcement 1
Side.
Specifically, as shown in Fig. 2 Guan Liang connection embedded sleeve barrel 4 is connected at the top of the longeron of framework of steel reinforcement 1.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure, it is characterised in that comprise the following steps：
(i) the construction of the concrete prefabricated square pile of interpolation
1）After rotary drilling rig movement is in place, drill bit is accurately aimed at stake position center, stops drilling after piercing preexisting hole depth, and with clearly
Slag drilling bucket borehole cleaning is to design requirement；
2）Drilling rod is proposed after the sediment of rotated inside unit head cleaning hole bottom in situ after the completion of drilling, with crawler crane the filling assembled
Starch under pipe to bottom hole, soil cement is pumped into preexisting hole by grout pipe using pumping equipment；
3）Concrete prefabricated square pile is transferred into designed elevation using crawler crane, stake top absolute altitude is checked, is checked before lifting by crane
Side wall connects embedded sleeve barrel（2）Whether towards side wall（8）Design attitude；The concrete prefabricated square pile is with framework of steel reinforcement
（1）Concrete prefabricated square pile, framework of steel reinforcement（1）One side on the outside of to be provided with the connection of some side walls from top to bottom by reinforcing bar pre-
Bury sleeve（2）, framework of steel reinforcement（1）Screw top is connected with some Guan Liang connection embedded sleeve barrels（4）；
(ii) concrete prefabricated square pile is connected with Guan Liang
4）After concrete prefabricated square pile to be interpolated is completed and reaches design strength, four sides of concrete prefabricated square pile periphery formed with
The soil cement solidification layer that preexisting hole wall is adapted（7）, then carry out concrete prefabricated square pile stake top Guan Liang foundation trench and excavate；
5）After the completion of concrete prefabricated square pile stake top Guan Liang foundation trench excavates, stake top is cleared up, at the same it is pre- in interpolation concrete
The Guan Liang connection embedded sleeve barrel of square pile processed（4）Upper installation Guan Liang embedded ribs（5）, Guan Liang embedded ribs（5）With Guan Liang（9）Overall bone
Frame connects, and pours Guan Liang（9）Concrete, formed integrative-structure；
(iii) concrete prefabricated square pile is connected with side wall
6）Treat Guan Liang（9）After the completion of construction, side wall（8）During construction, the soil cement for cutting concrete prefabricated square pile one side periphery coagulates
Gu layer（7）, embedded sleeve barrel is connected in side wall（2）Upper installation side wall embedded ribs（3）, side wall embedded ribs（3）With side wall framework of steel reinforcement
Connection, pours side wall（8）Concrete, formed overall structure.
2. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1, its feature
It is, the side wall connects embedded sleeve barrel（2）Pass through bar connecting to framework of steel reinforcement（1）Cross rail outer.
3. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1 or 2, it is special
Sign is that the Guan Liang connects embedded sleeve barrel（4）It is connected to framework of steel reinforcement（1）Longeron at the top of.
4. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1, its feature
It is, center and the stake position centre deviation≤20mm of described drill bit.
5. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1, its feature
It is, unit head pressure≤24Mpa on the inside of described drilling process.
6. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1, its feature
It is, the design requirement of described borehole cleaning is scarfing cinder drilling bucket borehole cleaning to bottom hole sediment≤50mm.
7. a kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure according to claim 1, its feature
It is, the soil cement that described soil cement is prepared for following ratio, cement：Dry ground：Water：The mass ratio of waterglass is 2:1:
1.75:2.5。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037063.4A CN107740427A (en) | 2017-10-30 | 2017-10-30 | A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037063.4A CN107740427A (en) | 2017-10-30 | 2017-10-30 | A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure |
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| CN107740427A true CN107740427A (en) | 2018-02-27 |
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| CN201711037063.4A Pending CN107740427A (en) | 2017-10-30 | 2017-10-30 | A kind of construction method of interpolation concrete prefabricated square stake foundation pit enclosure structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158615A (en) * | 2019-06-17 | 2019-08-23 | 中交第三公路工程局有限公司 | High water level system of deep foundation pit support and its construction method |
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
| CN114086548A (en) * | 2021-12-09 | 2022-02-25 | 江苏宏强新型建材有限公司 | Pile-wall combined inner-inserting assembly type precast concrete square pile |
| CN114108695A (en) * | 2021-11-15 | 2022-03-01 | 中冶集团武汉勘察研究院有限公司 | Assembled underground cylinder structure and construction method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776112A (en) * | 2005-11-30 | 2006-05-24 | 王平 | High-performance cement soil continuous wall construction method |
| CN106677162A (en) * | 2017-02-13 | 2017-05-17 | 上海强劲地基工程股份有限公司 | Stiff composite precast sheet pile envelope structure |
-
2017
- 2017-10-30 CN CN201711037063.4A patent/CN107740427A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776112A (en) * | 2005-11-30 | 2006-05-24 | 王平 | High-performance cement soil continuous wall construction method |
| CN106677162A (en) * | 2017-02-13 | 2017-05-17 | 上海强劲地基工程股份有限公司 | Stiff composite precast sheet pile envelope structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158615A (en) * | 2019-06-17 | 2019-08-23 | 中交第三公路工程局有限公司 | High water level system of deep foundation pit support and its construction method |
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
| CN112504599B (en) * | 2020-11-20 | 2023-09-22 | 陕西煤业化工技术研究院有限责任公司 | Friction energy absorption plate collision test wall and prefabrication and construction installation process thereof |
| CN114108695A (en) * | 2021-11-15 | 2022-03-01 | 中冶集团武汉勘察研究院有限公司 | Assembled underground cylinder structure and construction method thereof |
| CN114086548A (en) * | 2021-12-09 | 2022-02-25 | 江苏宏强新型建材有限公司 | Pile-wall combined inner-inserting assembly type precast concrete square pile |
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Application publication date: 20180227 |
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