CN103195050A - Tube-jet combined pile supporting underground wall structure and construction method for same - Google Patents
Tube-jet combined pile supporting underground wall structure and construction method for same Download PDFInfo
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- CN103195050A CN103195050A CN2013101473192A CN201310147319A CN103195050A CN 103195050 A CN103195050 A CN 103195050A CN 2013101473192 A CN2013101473192 A CN 2013101473192A CN 201310147319 A CN201310147319 A CN 201310147319A CN 103195050 A CN103195050 A CN 103195050A
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Abstract
The invention discloses a tube-jet combined pile supporting underground wall structure and a construction method for the tube-jet combined pile supporting underground wall structure. The underground wall structure comprises prestressed pipe piles pressed in soil at intervals, wherein the prestressed pipe piles are encircled along the periphery of a to-be-constructed basement; a high-pressure rotary-jet cement-soil pile is closely arranged between every two adjacent prestressed pipe piles in parallel, so as to form a combined pile; earthwork is segmentally excavated from top to bottom, and a reinforced concrete basement annular wall body is segmentally poured at the inner side of the combined pile from top to bottom; the upper layer of the annular wall body is connected with the lower layer of the annular wall body by means of instant grouting, so that a basement continuous wall is formed by each layer of the annular wall body; and an attached wall column can be arranged in the annular wall body, anchor lacing bars or pile hoops are arranged on the prestressed pipe piles at intervals along the length direction, the anchor lacing bars or the pile hoops are connected with the lacing fasteners of the basement continuous wall, so that the basement continuous wall and the prestressed pipe piles form a waterproof integer. The underground wall structure is simple, convenient and reliable to construct, capable of saving temporary supporting expense, free from adverse influence on environment, free of earthwork backfilling, and short in construction period.
Description
Technical field
The present invention relates to technical field of building construction, especially a kind of pipe-spray associating stake supporting subterranean wall structure and job practices thereof can be used for the underground interim or permanent support structure that all kinds of forms support.
Background technology
In the weak soil underground structure, soil excavation need be provided with supporting facility in advance, and underground structure also needs to establish protection structure all around.The supporting facility of soil excavation is temporary lining body independently, its objective is to guarantee the peripheral soil stabilization of underground structure work progress and construction safety.So the supporting facility requirement is high, but again that it is discarded after the underground construction completion, not only waste of manpower, financial resources, and easily to harm such as environment generation pollutions.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of pipe-spray associating stake supporting subterranean wall structure and job practices thereof, this subterranean wall structure construction is easy to be reliable; Can save the expense that the temporary lining facility is set; Do not need backfilling of earthwork, the duration is short; Do not produce the adverse effect to environment.
One of technical scheme of the present invention is: a kind of pipe-spray associating stake supporting subterranean wall structure, and this subterranean wall structure comprises the pile for prestressed pipe that is pressed at interval in the soil, these pile for prestressed pipe form a circle along basement periphery to be constructed; Between two adjacent pile for prestressed pipe, closely be arranged side by side the high-pressure rotary-spray cement earth pile, formed the associating stake of pile for prestressed pipe and high-pressure rotary-spray cement earth pile; Steel concrete basement ring-type body of wall is built in inboard segmentation from top to bottom in the associating stake; Adopt the jog butt joint between the upper and lower layer ring-type body of wall, make each layer annular wall body form the basement diaphragm wall.
Further, described ring-type body of wall inboard is provided with responde.According to actual needs, this responde can be along the arranging around direction of ring-type body of wall at interval, and the interval between adjacent two respondes can be set according to actual needs.
Further, be arranged at intervals with anchor lacing wire or pile ring on the described pile for prestressed pipe along its length, described anchor lacing wire or pile ring are connected with the tension member of basement diaphragm wall, make basement diaphragm wall and pile for prestressed pipe form an integral body.
Further, the outside, bottom of described upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall is along being arranged at intervals with Grouting Pipe around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall.
Two of technical scheme of the present invention is: the job practices of a kind of pipe-spray associating stake supporting subterranean wall structure, and this method is carried out according to the following steps:
(1) interval according to designing requirement is pressed into pile for prestressed pipe, and these pile for prestressed pipe form a circle along basement periphery to be constructed;
(2) tight high-pressure churning cement earth pile side by side between two adjacent pile for prestressed pipe forms the associating stake of pile for prestressed pipe and high-pressure rotary-spray cement earth pile;
(3) the excavation section by section earthwork from top to bottom, and build steel concrete basement ring-type body of wall in the inboard segmentation from top to bottom of associating stake; Adopt instant slip casting method to connect between the upper and lower layer ring-type body of wall, make each layer annular wall body form the basement diaphragm wall; According to actual needs, described ring-type body of wall inboard can have responde, be arranged at intervals with anchor lacing wire or pile ring on the described pile for prestressed pipe along its length, described anchor lacing wire or pile ring are connected with the tension member of basement diaphragm wall, make basement diaphragm wall and pile for prestressed pipe form an integral body.
Further, above-mentioned anchor lacing wire is the interior built-in fitting of pile for prestressed pipe, namely when making, pile for prestressed pipe establishes built-in fitting according to staying in advance, to guarantee the accurate of this built-in fitting orientation during piling, from top to bottom piecemeal during earth excavation, the tension member of this built-in fitting and basement diaphragm wall is welded one by one.
Further, above-mentioned pile ring is the two arc hoops of cuff on the pile for prestressed pipe outer wall, connect through joint bolt between the connection end plate of described two arc hoops, to guarantee the accurate of this joint bolt orientation during piling, from top to bottom piecemeal during earth excavation, the tension member of this pile ring and basement diaphragm wall is welded one by one or be spirally connected.
Further, when the reinforcing bar binding of upper strata ring-type body of wall is installed, its perpendicular muscle is squeezed in advance in the space soil of lower floor's ring-type body of wall, be connected with the perpendicular muscle of lower floor ring-type body of wall thereafter.
Further, the outside, bottom of above-mentioned upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall is along being arranged at intervals with Grouting Pipe around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall.
The spout of flare further, is set on the inner side template top of lower floor's ring-type body of wall; Treat to build substantially when full, establish the envelope template in spout, described envelope template is with pusher direction rotation Zhi Li; Inject band in the Grouting Pipe of upper strata ring-type body of wall at last and press neat cement paste, to guarantee the good butt joint of upper and lower layer ring-type body of wall.
Compared with prior art, beneficial effect of the present invention is: the one, and the temporary lining facility is saved in the permanent fender body unification of temporary lining body and structure, saves construction cost; The 2nd, be the temporary lining body be again the permanent fender body of structure, reduced and be the earth excavation amount in underground construction space; The 3rd, easy construction is reliable; The 4th, do not produce the adverse effect to environment, the 5th, do not need backfilling of earthwork, shorten the construction period.
Description of drawings
Fig. 1 is the plan view of pipe-spray associating stake supporting subterranean wall structure.
Fig. 2 is the plan view with pile for prestressed pipe of anchor lacing wire.
Fig. 3 is the plan view with pile for prestressed pipe of pile ring.
Fig. 4 is the docking structure schematic diagram of upper and lower layer ring-type body of wall.
Among the figure: 1 is pile for prestressed pipe; 2 is the high-pressure rotary-spray cement earth pile; 3 is the basement diaphragm wall; 4 is responde; 5 is tension member; 6 is the anchor lacing wire; 7 is pile ring; 8 is upper strata ring-type body of wall; 9 is lower floor's ring-type body of wall; 10 is Grouting Pipe; 11 is inner side template; 12 are the envelope template; 13 are perpendicular muscle; 14 is spout; 15 is major arc arc hoop; 16 is minor arc arc hoop; 17 is joint bolt; 18 is stiffener.
The specific embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail below.
Please refer to Fig. 1 to 4, a kind of pipe-spray associating stake supporting subterranean wall structure, this subterranean wall structure comprises the pile for prestressed pipe 1 that is pressed at interval in the soil, these pile for prestressed pipe 1 form a circle around basement to be constructed; Between two adjacent pile for prestressed pipe 1, closely be arranged side by side high-pressure rotary-spray cement earth pile 2, form the associating stake of pile for prestressed pipe 1 and high-pressure rotary-spray cement earth pile 2, the associating stake can be used as the retaining soil effect in the short height distance, for the operation of follow-up basement diaphragm wall provides reliable construction environment; Steel concrete basement ring-type body of wall is built in inboard segmentation from top to bottom in the associating stake; Adopt the jog butt joint between upper strata ring-type body of wall 8 and the lower floor's ring-type body of wall 9, make each layer annular wall body form basement diaphragm wall 3.
Above-mentioned ring-type body of wall inboard is provided with responde 4.According to actual needs, this responde can be along the arranging around direction of ring-type body of wall at interval, and the interval between adjacent two respondes can be set according to actual needs.
Be arranged at intervals with anchor lacing wire or pile ring along its length on the above-mentioned pile for prestressed pipe 1, described anchor lacing wire 6 or pile ring 7 are connected with the tension member 5 of basement diaphragm wall, make basement diaphragm wall and pile for prestressed pipe 1 form a waterproof integral body.Described pile ring 7 comprises major arc arc hoop 15 and minor arc arc hoop 16.One or more forms one group to the end plate of described major arc arc hoop and minor arc arc hoop through joint bolt 17() be connected, make it to hold tightly on pile for prestressed pipe, the center line of described joint bolt is parallel with the pile for prestressed pipe circle tangent line in conjunction with the position, and described end plate is vertical with the pile for prestressed pipe circle tangent line of combination position.In order to strengthen structural stability, also be provided with stiffener 18 between described major arc arc hoop and its corresponding end plate of minor arc arc hoop.As shown in Figure 3, described stiffener is arranged on the upper and lower sides position of end plate and major arc arc hoop and minor arc arc hoop junction.
The outside, bottom of above-mentioned upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall 8 is along being reserved with steel Grouting Pipe 10 at interval around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall 9.
The job practices of aforementioned tube-spray associating stake supporting subterranean wall structure, this method is carried out according to the following steps:
(1) interval according to designing requirement is pressed into pile for prestressed pipe 1, and these pile for prestressed pipe 1 form a circle along basement periphery to be constructed;
(2) tight high-pressure churning cement earth pile side by side between two adjacent pile for prestressed pipe 1 forms the associating stake of pile for prestressed pipe 1 and high-pressure rotary-spray cement earth pile;
(3) the excavation section by section earthwork from top to bottom, and build steel concrete basement ring-type body of wall in the inboard segmentation from top to bottom of associating stake; Adopt instant slip casting method to connect between the upper and lower layer ring-type body of wall, make each layer annular wall body form the basement diaphragm wall; Described ring-type body of wall has responde, is arranged at intervals with anchor lacing wire or pile ring along its length on the described pile for prestressed pipe 1, and described anchor lacing wire or pile ring are connected with the tension member of basement diaphragm wall, makes basement diaphragm wall and pile for prestressed pipe 1 form an integral body.
Above-mentioned anchor lacing wire is the interior built-in fitting of pile for prestressed pipe 1, namely when making, pile for prestressed pipe 1 establishes built-in fitting according to staying in advance, to guarantee during piling this built-in fitting orientation accurately, from top to bottom piecemeal during earth excavation, the tension member of this built-in fitting and basement diaphragm wall is welded one by one.
Above-mentioned pile ring is the two arc hoops of cuff on pile for prestressed pipe 1 outer wall, connect through joint bolt between the connection end plate of described two arc hoops, to guarantee the accurate of this joint bolt orientation during piling, from top to bottom piecemeal during earth excavation, the tension member of this pile ring and basement diaphragm wall is welded one by one or be spirally connected.
When the reinforcing bar binding of upper strata ring-type body of wall is installed, its perpendicular muscle 13 is squeezed in the space soil of lower floor's ring-type body of wall in advance.
The outside, bottom of above-mentioned upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall is along being arranged at intervals with Grouting Pipe 10 around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall.
The spout of flare is set on inner side template 11 tops of lower floor's ring-type body of wall; Treat to build substantially when full, in spout 14, establish envelope template 12(steel plate), described envelope template 12 is with pusher direction rotation Zhi Li; Inject band in the Grouting Pipe 10 of upper strata ring-type body of wall at last and press neat cement paste, to guarantee the good butt joint of upper and lower layer ring-type body of wall.
The present invention does not limit to above-mentioned preferred forms, and anyone can draw other various forms of products under enlightenment of the present invention.All equalizations of doing according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. stake supporting subterranean wall structure is united in pipe-spray, and it is characterized in that: comprise the pile for prestressed pipe that is pressed at interval in the soil, these pile for prestressed pipe form a circle along basement peripheries to be constructed; Between two adjacent pile for prestressed pipe, closely be arranged side by side the high-pressure rotary-spray cement earth pile, formed the associating stake of pile for prestressed pipe and high-pressure rotary-spray cement earth pile; Steel concrete basement ring-type body of wall is built in inboard segmentation from top to bottom in the associating stake; Adopt the jog butt joint between the upper and lower layer ring-type body of wall, make each layer annular wall body form the basement diaphragm wall.
2. stake supporting subterranean wall structure is united in pipe according to claim 1-spray, and it is characterized in that: described ring-type body of wall inboard is provided with responde.
3. stake supporting subterranean wall structure is united in pipe according to claim 1-spray, it is characterized in that: be arranged at intervals with anchor lacing wire or pile ring on the described pile for prestressed pipe along its length, described anchor lacing wire or pile ring are connected with the tension member of basement diaphragm wall, make basement diaphragm wall and pile for prestressed pipe form an integral body.
4. stake supporting subterranean wall structure is united in pipe according to claim 1-spray, it is characterized in that: the outside, bottom of described upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall is along being arranged at intervals with Grouting Pipe around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall.
5. the job practices of pipe-spray associating stake supporting subterranean wall structure is characterized in that, carries out according to the following steps:
(1) interval according to designing requirement is pressed into pile for prestressed pipe, and these pile for prestressed pipe form a circle along basement periphery to be constructed;
(2) tight high-pressure churning cement earth pile side by side between two adjacent pile for prestressed pipe forms the associating stake of pile for prestressed pipe and high-pressure rotary-spray cement earth pile;
(3) the excavation section by section earthwork from top to bottom, and build steel concrete basement ring-type body of wall in the inboard segmentation from top to bottom of associating stake; Adopt instant slip casting method to connect between the upper and lower layer ring-type body of wall, make each layer annular wall body form the basement diaphragm wall; Be arranged at intervals with anchor lacing wire or pile ring on the described pile for prestressed pipe along its length, described anchor lacing wire or pile ring are connected with the tension member of basement diaphragm wall, make basement diaphragm wall and pile for prestressed pipe form an integral body.
6. the job practices of stake supporting subterranean wall structure is united in pipe according to claim 5-spray, it is characterized in that: described anchor lacing wire is the interior built-in fitting of pile for prestressed pipe, namely when making, pile for prestressed pipe establishes built-in fitting according to staying in advance, to guarantee the accurate of this built-in fitting orientation during piling, from top to bottom piecemeal during earth excavation, the tension member of this built-in fitting and basement diaphragm wall is welded one by one.
7. the job practices of stake supporting subterranean wall structure is united in pipe according to claim 5-spray, it is characterized in that: described pile ring is the two arc hoops of cuff on the pile for prestressed pipe outer wall, connect through joint bolt between the connection end plate of described two arc hoops, to guarantee the accurate of this joint bolt orientation during piling, from top to bottom piecemeal during earth excavation, the tension member of this pile ring and basement diaphragm wall is welded one by one or be spirally connected.
8. the job practices of stake supporting subterranean wall structure is united in pipe according to claim 5-spray, it is characterized in that: when the reinforcing bar binding of upper strata ring-type body of wall is installed, its perpendicular muscle is squeezed in advance in the space soil of lower floor's ring-type body of wall, be connected with the perpendicular muscle of lower floor ring-type body of wall thereafter.
9. unite a job practices of supporting subterranean wall structure according to claim 5 or 8 described pipes-spray, it is characterized in that: the outside, bottom of described upper strata ring-type body of wall is low inboard high, form the sloping shape profile of tooth mouth of awl, the lower inside of described upper strata ring-type body of wall is along being arranged at intervals with Grouting Pipe around direction, and the awl slope shape profile of tooth mouth that the bottom with upper strata ring-type body of wall adapts is built on the top of described lower floor ring-type body of wall.
10. the job practices of pipe according to claim 9-spray associating stake supporting subterranean wall structure is characterized in that: the spout that flare is set on the inner side template top of lower floor's ring-type body of wall; Treat to build substantially when full, establish the envelope template in spout, described envelope template is with pusher direction rotation Zhi Li; Inject band in the Grouting Pipe of upper strata ring-type body of wall at last and press neat cement paste, to guarantee the good butt joint of upper and lower layer ring-type body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310147319.2A CN103195050B (en) | 2013-04-25 | 2013-04-25 | Construction method of tube-jet combined pile supporting underground wall structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310147319.2A CN103195050B (en) | 2013-04-25 | 2013-04-25 | Construction method of tube-jet combined pile supporting underground wall structure |
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| CN103195050A true CN103195050A (en) | 2013-07-10 |
| CN103195050B CN103195050B (en) | 2015-03-18 |
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Cited By (4)
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| CN103967015A (en) * | 2014-05-21 | 2014-08-06 | 刘绍国 | Water-stopping deep foundation pit excavation method and structure thereof |
| CN107642252A (en) * | 2017-09-21 | 2018-01-30 | 青岛静力工程股份有限公司 | Old building free removal is double to increase rebuilding construction technique |
| CN108086302A (en) * | 2017-12-29 | 2018-05-29 | 章胜南 | A kind of transverse direction based on underground wall body construction is whole to pour wall width subsidence process |
| CN109113068A (en) * | 2018-10-16 | 2019-01-01 | 中冶南方工程技术有限公司 | A kind of inverse construction joint structure for building construction of deep basal pit |
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| CN108086302A (en) * | 2017-12-29 | 2018-05-29 | 章胜南 | A kind of transverse direction based on underground wall body construction is whole to pour wall width subsidence process |
| CN108086302B (en) * | 2017-12-29 | 2019-06-28 | 章胜南 | A kind of transverse direction based on underground wall body construction is whole to pour wall width subsidence process |
| CN109113068A (en) * | 2018-10-16 | 2019-01-01 | 中冶南方工程技术有限公司 | A kind of inverse construction joint structure for building construction of deep basal pit |
| CN109113068B (en) * | 2018-10-16 | 2024-04-12 | 中冶南方工程技术有限公司 | Construction joint structure for reverse construction of deep foundation pit |
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| CN103195050B (en) | 2015-03-18 |
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