CN103195050B - Construction method of tube-jet combined pile supporting underground wall structure - Google Patents
Construction method of tube-jet combined pile supporting underground wall structure Download PDFInfo
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- CN103195050B CN103195050B CN201310147319.2A CN201310147319A CN103195050B CN 103195050 B CN103195050 B CN 103195050B CN 201310147319 A CN201310147319 A CN 201310147319A CN 103195050 B CN103195050 B CN 103195050B
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Abstract
The invention discloses 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, the construction method of especially a kind of pipe-spray associating stake supporting subterranean wall structure, can be used for the interim or permanent support structure in underground that all kinds of form supports.
Background technology
In weak soil underground structure, soil excavation needs to 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 independently temporary lining body, its objective is and ensures the peripheral soil stabilization of Underground Construction process and construction safety.Therefore supporting facility requires high, but is discarded again after underground construction completion, not only waste of manpower, financial resources, and easily produces the harm such as pollution to environment.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the construction method of a kind of pipe-spray associating stake supporting subterranean wall structure, this subterranean wall structure construction is reliably easy; The expense that temporary support facility is set can be saved; 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 in interval press-in soil, and these pile for prestressed pipe form a circle along basement periphery to be onstructed; Between two adjacent pile for prestressed pipe, be closely arranged side by side high-pressure rotary-spray cement earth pile, form the associating stake of pile for prestressed pipe and high-pressure rotary-spray cement earth pile; The segmentation pouring reinforcement concrete basement ring-type body of wall from top to bottom in the inner side of associating stake; Adopt jog to dock between upper and lower layer ring-type body of wall, make each layer annular wall body form basement diaphragm wall.
Further, responde is provided with inside described ring-type body of wall.According to actual needs, this responde can along ring-type body of wall around interval, direction arrange, the interval between adjacent two respondes can set according to actual needs.
Further, described pile for prestressed pipe is arranged at intervals with anchor lacing wire or pile ring 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 entirety.
Further, the low inner side of lower outside of described upper strata ring-type body of wall is high, form cone ramp shaped profile of tooth mouth, 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 cone ramp shaped profile of tooth mouth adapted with the bottom of upper strata ring-type body of wall is built on the top of described lower floor ring-type body of wall.
Two of technical scheme of the present invention is: the construction method of a kind of pipe-spray associating stake supporting subterranean wall structure, and the method is carried out according to the following steps:
(1) according to the interval press-in pile for prestressed pipe of designing requirement, these pile for prestressed pipe form a circle along basement periphery to be onstructed;
(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 in the inner side of associating stake segmentation pouring reinforcement concrete basement ring-type body of wall from top to bottom; Adopt instant slip casting method to connect between upper and lower layer ring-type body of wall, make each layer annular wall body form basement diaphragm wall; According to actual needs, can with responde inside described ring-type body of wall, described pile for prestressed pipe is arranged at intervals with anchor lacing wire or pile ring along its length, and 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 entirety.
Further, above-mentioned anchor lacing wire is the interior built-in fitting of pile for prestressed pipe, namely built-in fitting is established according to staying in advance when pile for prestressed pipe makes, the accurate of this built-in fitting orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, the tension member of this built-in fitting with basement diaphragm wall is welded one by one.
Further, above-mentioned pile ring is the two arc hoops of cuff on pile for prestressed pipe outer wall, connect through joint bolt between the connection end plate of described two arc hoops, the accurate of this joint bolt orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, this pile ring is welded one by one with the tension member of basement diaphragm wall or is 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 low inner side of lower outside of above-mentioned upper strata ring-type body of wall is high, form cone ramp shaped profile of tooth mouth, 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 cone ramp shaped profile of tooth mouth adapted with the bottom of upper strata ring-type body of wall is built on the top of described lower floor ring-type body of wall.
Further, the spout of flare is set on the inner side template top of lower floor's ring-type body of wall; In time substantially building full, establish envelope template in spout, described envelope template rotates Zhi Li with pusher direction; Finally inject neat cement paste with pressure in the Grouting Pipe of upper strata ring-type body of wall, to ensure the good docking of upper and lower layer ring-type body of wall.
Compared with prior art, beneficial effect of the present invention is: one is the permanent fender body unification of temporary lining body and structure, saves temporary support facility, saves construction cost; Two is be temporary lining body and the permanent fender body of structure, decreases the earth excavation amount into underground construction space; Three is that easy construction is reliable; Four is do not produce the adverse effect to environment, and five is do not need backfilling of earthwork, shortens the construction period.
Accompanying drawing explanation
Fig. 1 is the plan view of pipe-spray associating stake supporting subterranean wall structure.
Fig. 2 is the plan view of the pile for prestressed pipe with anchor lacing wire.
Fig. 3 is the plan view of the pile for prestressed pipe with pile ring.
Fig. 4 is the docking structure schematic diagram of upper and lower layer ring-type body of wall.
In figure: 1 is pile for prestressed pipe; 2 is high-pressure rotary-spray cement earth pile; 3 is basement diaphragm wall; 4 is responde; 5 is tension member; 6 is 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 is envelope template; 13 is perpendicular muscle; 14 is spout; 15 is major arc arc hoop; 16 is minor arc arc hoop; 17 is joint bolt; 18 is stiffener.
Detailed description of the invention
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be 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 in interval press-in soil, and these pile for prestressed pipe 1 form a circle along basement surrounding to be onstructed; High-pressure rotary-spray cement earth pile 2 has closely been arranged side by side between two adjacent pile for prestressed pipe 1, form the associating stake of pile for prestressed pipe 1 and high-pressure rotary-spray cement earth pile 2, associating stake can act on, for the operation of follow-up basement diaphragm wall provides reliable construction environment as the gear soil in short height distance; The segmentation pouring reinforcement concrete basement ring-type body of wall from top to bottom in the inner side of associating stake; Adopt jog to dock between upper strata ring-type body of wall 8 and lower floor's ring-type body of wall 9, make each layer annular wall body form basement diaphragm wall 3.
Responde 4 is provided with inside above-mentioned ring-type body of wall.According to actual needs, this responde can along ring-type body of wall around interval, direction arrange, the interval between adjacent two respondes can set according to actual needs.
Above-mentioned pile for prestressed pipe 1 is arranged at intervals with anchor lacing wire or pile ring along its length, and 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 entirety.Described pile ring 7 comprises major arc arc hoop 15 and minor arc arc hoop 16.Through joint bolt 17(, one or more forms one group to the end plate of described major arc arc hoop and minor arc arc hoop) 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 of bound site, and described end plate is vertical with the pile for prestressed pipe circle tangent line of bound site.In order to strengthen structural stability, between described major arc arc hoop and its corresponding end plate of minor arc arc hoop, be also provided with stiffener 18.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 low inner side of lower outside of above-mentioned upper strata ring-type body of wall is high, form cone ramp shaped profile of tooth mouth, the lower inside of described upper strata ring-type body of wall 8 is along being reserved with steel Grouting Pipe 10 around interval, direction, and the cone ramp shaped profile of tooth mouth adapted with the bottom of upper strata ring-type body of wall is built on the top of described lower floor ring-type body of wall 9.
The construction method of above-mentioned pipe-spray associating stake supporting subterranean wall structure, the method is carried out according to the following steps:
(1) according to the interval press-in pile for prestressed pipe 1 of designing requirement, these pile for prestressed pipe 1 form a circle along basement periphery to be onstructed;
(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 in the inner side of associating stake segmentation pouring reinforcement concrete basement ring-type body of wall from top to bottom; Adopt instant slip casting method to connect between upper and lower layer ring-type body of wall, make each layer annular wall body form basement diaphragm wall; Described ring-type body of wall, with responde, described pile for prestressed pipe 1 is arranged at intervals with anchor lacing wire or pile ring along its length, 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 entirety.
Above-mentioned anchor lacing wire is the interior built-in fitting of pile for prestressed pipe 1, namely built-in fitting is established according to staying in advance when pile for prestressed pipe 1 makes, the accurate of this built-in fitting orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, the tension member of this built-in fitting with 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, the accurate of this joint bolt orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, this pile ring is welded one by one with the tension member of basement diaphragm wall or is 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 low inner side of lower outside of above-mentioned upper strata ring-type body of wall is high, form cone ramp shaped profile of tooth mouth, 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 cone ramp shaped profile of tooth mouth adapted with the bottom of upper strata ring-type body of wall 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 top of lower floor's ring-type body of wall; In time substantially building full, in spout 14, establish envelope template 12(steel plate), described envelope template 12 rotates Zhi Li with pusher direction; Finally inject neat cement paste with pressure in the Grouting Pipe 10 of upper strata ring-type body of wall, to ensure the good docking 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 done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. manage-spray a construction method for associating stake supporting subterranean wall structure, it is characterized in that, carry out according to the following steps:
(1) according to the interval press-in pile for prestressed pipe of designing requirement, these pile for prestressed pipe form a circle along basement periphery to be onstructed;
(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 in the inner side of associating stake segmentation pouring reinforcement concrete basement ring-type body of wall from top to bottom; Adopt instant slip casting method to connect between upper and lower layer ring-type body of wall, make each layer annular wall body form basement diaphragm wall; Described pile for prestressed pipe is arranged at intervals with anchor lacing wire or pile ring along its length, and 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 entirety.
2. the construction method of pipe according to claim 1-spray associating stake supporting subterranean wall structure, it is characterized in that: described anchor lacing wire is the interior built-in fitting of pile for prestressed pipe, namely built-in fitting is established according to staying in advance when pile for prestressed pipe makes, the accurate of this built-in fitting orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, the tension member of this built-in fitting with basement diaphragm wall is welded one by one.
3. the construction method of pipe according to claim 1-spray associating stake supporting subterranean wall structure, it is characterized in that: described pile ring is the two arc hoops of cuff on pile for prestressed pipe outer wall, connect through joint bolt between the connection end plate of described two arc hoops, the accurate of this joint bolt orientation to be ensured during piling, from top to bottom piecemeal earth excavation time, this pile ring is welded one by one with the tension member of basement diaphragm wall or is spirally connected.
4. the construction method of pipe according to claim 1-spray associating stake supporting subterranean wall structure, 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.
5. the construction method of the pipe according to claim 1 or 4-spray associating stake supporting subterranean wall structure, it is characterized in that: the low inner side of lower outside of described upper strata ring-type body of wall is high, form cone ramp shaped profile of tooth mouth, 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 cone ramp shaped profile of tooth mouth adapted with the bottom of upper strata ring-type body of wall is built on the top of described lower floor ring-type body of wall.
6. the construction method of pipe according to claim 5-spray associating stake supporting subterranean wall structure, is characterized in that: the spout arranging flare on the inner side template top of lower floor's ring-type body of wall; In time substantially building full, establish envelope template in spout, described envelope template rotates Zhi Li with pusher direction; Finally inject neat cement paste with pressure in the Grouting Pipe of upper strata ring-type body of wall, to ensure the good docking of upper and lower layer ring-type body of wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 CN103195050A (en) | 2013-07-10 |
| CN103195050B true CN103195050B (en) | 2015-03-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103967015B (en) * | 2014-05-21 | 2016-04-27 | 刘绍国 | A kind of water seal for deep foundation pit excavation method and structure thereof |
| CN107642252B (en) * | 2017-09-21 | 2019-09-10 | 青岛静力工程股份有限公司 | Old building free removal is double to increase rebuilding construction technique |
| 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 |
| 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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| JP3609657B2 (en) * | 1999-08-04 | 2005-01-12 | 五洋建設株式会社 | Structural underground wall and its construction method |
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| CN203270550U (en) * | 2013-04-25 | 2013-11-06 | 福州市第三建筑工程公司 | Pipe pile-jet grouting pile united supporting underground wall structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3245537B2 (en) * | 1996-10-16 | 2002-01-15 | 株式会社奥村組 | Method of forming permeable section in continuous underground wall |
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2013
- 2013-04-25 CN CN201310147319.2A patent/CN103195050B/en not_active Expired - Fee Related
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| JP3609657B2 (en) * | 1999-08-04 | 2005-01-12 | 五洋建設株式会社 | Structural underground wall and its construction method |
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| CN201588220U (en) * | 2009-11-03 | 2010-09-22 | 浙江中成建工集团有限公司 | Double-split-wall force transferring joint structure in basement topdown construction method |
| CN102191779A (en) * | 2010-03-05 | 2011-09-21 | 中国京冶工程技术有限公司厦门分公司 | Topdown construction method of basement exterior wall |
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Non-Patent Citations (1)
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