CN111173062A - Construction method for five milling groove sections of benzyl-shaped unit groove of diaphragm wall - Google Patents
Construction method for five milling groove sections of benzyl-shaped unit groove of diaphragm wall Download PDFInfo
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- CN111173062A CN111173062A CN202010051591.0A CN202010051591A CN111173062A CN 111173062 A CN111173062 A CN 111173062A CN 202010051591 A CN202010051591 A CN 202010051591A CN 111173062 A CN111173062 A CN 111173062A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- 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
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- 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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- General Engineering & Computer Science (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
A construction method for five milling groove sections of a benzyl unit groove of a diaphragm wall is characterized in that the benzyl unit groove of the diaphragm wall is divided into a first T-shaped section, a second T-shaped section and a joint section to carry out three-section groove construction. The first T-shaped section and the second T-shaped section are respectively set as two main holes for grooving construction, and the joint section is set as an auxiliary hole for final grooving. The method specifically comprises the following steps: 1) carrying out construction preparation work; 2) dividing the benzyl unit groove section of the diaphragm wall into four main holes and one auxiliary hole according to the milling construction sequence; 3) after the wall is fixed by the slurry, a pure milling method of a double-wheel slot milling machine is adopted, and construction is carried out according to the principle of milling a main hole firstly and milling an auxiliary hole secondly. By adopting the method, the construction requirement of the benzyl unit groove section of the diaphragm wall can be met, the construction period is shortened, the construction efficiency is improved, and the seepage-proofing capability of the connecting part of the wall section is enhanced.
Description
Technical Field
The invention relates to the field of diaphragm wall construction, in particular to a construction method for five milling grooves in a benzyl unit groove section of a diaphragm wall.
Background
The construction method is limited by a construction site, and an underground diaphragm wall is generally adopted as an enclosure structure of a foundation pit in the construction process of an urban underground space. The common underground continuous wall unit groove sections mainly have a structure form of a 'I' type, a 'T' type, a 'Z' type and a 'benzyl' type unit groove section. The 'benzyl' unit groove section is composed of two 'T' -shaped structures in opposite directions, and is provided with four joints in total, and the 'benzyl' unit groove section is mainly used for interconnection among a plurality of underground diaphragm walls, is complex in structure and high in construction difficulty, and has a good overall effect. For the groove sections of the 'benzyl' type units, the most common groove forming construction method adopts a double-wheel grooving machine to divide the groove section into two 'T' -shaped groove sections for construction, and a joint is formed at the joint of flanges of the two 'T' -shaped groove sections. By adopting the method for construction, the construction period is long, and the integrity and the seepage resistance of the wall connection part are poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method for five milling grooves in a benzyl unit groove section of a diaphragm wall, which can meet the construction requirement of the benzyl unit groove section of the diaphragm wall, and achieve the purposes of shortening the construction period, improving the construction efficiency and strengthening the seepage-proofing capability of the joint of the wall sections.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a construction method for five milling groove sections of a benzyl unit groove of a diaphragm wall is characterized in that the benzyl unit groove of the diaphragm wall is divided into a first T-shaped section, a second T-shaped section and a joint section to carry out three-section groove construction.
In a preferable scheme, the first T-shaped section and the second T-shaped section are respectively set as two main holes for grooving construction, and the joint section is set as an auxiliary hole for final grooving.
In a preferred embodiment, the method specifically comprises the following steps:
1) carrying out construction preparation work;
2) dividing the benzyl unit groove section of the diaphragm wall into four main holes and one auxiliary hole according to the milling construction sequence;
3) after the wall is fixed by the slurry, a pure milling method of a double-wheel slot milling machine is adopted, and construction is carried out according to the principle of milling a main hole firstly and milling an auxiliary hole secondly.
In a preferable scheme, the step 1) specifically comprises the steps of wall guide construction, hydroelectric system formation, slurry preparation and positioning work of a double-wheel slot milling machine.
In a preferred embodiment, in step 2), the first web section and the first flange section of the first T-shaped section and the second web section and the second flange section of the second T-shaped section are respectively set as a main hole, and the joint section between the first T-shaped section and the second T-shaped section is set as a secondary hole.
In a preferred embodiment, the step 3) specifically comprises the following steps:
1) milling a first web section of a first T-shaped section in the groove section of the benzyl unit of the diaphragm wall by using a double-wheel slot milling machine;
2) a first flange section of a first T-shaped section in the groove section of the benzyl unit of the diaphragm wall is milled by a double-wheel slot milling machine;
3) a second web section of a second T-shaped section in the groove section of the benzyl unit of the diaphragm wall is milled by a double-wheel slot milling machine;
4) milling a second flange section of a second T-shaped section in the benzyl unit groove section of the diaphragm wall by using a double-wheel groove milling machine;
5) a double-wheel slot milling machine is adopted to mill a joint section between a first web plate section and a second web plate section in the bottom connecting wall benzyl unit slot section;
6) and finishing the grooving construction of the benzyl unit groove section of the diaphragm wall.
The construction method for five milling groove sections of benzyl unit groove sections of the diaphragm wall provided by the invention has the following beneficial effects by adopting the structure:
(1) five-milling grooving is carried out on the groove section of the unit shaped like a Chinese character 'ji' of the diaphragm wall by adopting a double-wheel groove milling machine, so that the grooving speed is high, the grooving construction time is shortened, the good verticality of the joint of the groove section is ensured, and the integrity and the seepage-proofing property of the joint of the diaphragm wall section are enhanced;
(2) the main holes and the auxiliary holes are divided in the grooves of the 'benzyl' -shaped units and milled, so that the verticality of the groove sections is ensured, and the smooth downward arrangement of the reinforcement cage is facilitated.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the structure of a unit groove in the shape of a "benzyl" letter of the present invention.
FIG. 2 is a schematic sectional structure diagram of a "benzyl" unit cell of the present invention.
In the figure: the first T-shaped section 1, the second T-shaped section 2, the seam section 3, the first web section 4, the first flange section 5, the second web section 6 and the second flange section 7.
Detailed Description
Example 1:
as shown in the figure 1-2, a construction method for five milling groove sections of a benzyl unit groove of a diaphragm wall is characterized in that the benzyl unit groove of the diaphragm wall is divided into a first T-shaped section 1, a second T-shaped section 2 and a joint section 3 to carry out three-section groove forming construction.
In a preferable scheme, the first T-shaped section 1 and the second T-shaped section 2 are respectively set as two main holes for grooving construction, and the joint section 3 is set as an auxiliary hole for final grooving.
Example 2:
the five-milling groove construction method for the groove section of the benzyl unit concretely comprises the following steps:
1) carrying out construction preparation work;
2) dividing the benzyl unit groove section of the diaphragm wall into four main holes and one auxiliary hole according to the milling construction sequence;
3) after the wall is fixed by the slurry, a pure milling method of a double-wheel slot milling machine is adopted, and construction is carried out according to the principle of milling a main hole firstly and milling an auxiliary hole secondly.
Example 3:
on the basis of the embodiment 2, the step 1) specifically comprises the steps of wall guide construction, hydroelectric system formation, slurry preparation and positioning work of a double-wheel slot milling machine.
Example 4:
in the step 2) described above, the first web section 4 and the first flange section 5 of the first T-shaped section 1 and the second web section 6 and the second flange section 7 of the second T-shaped section 2 are respectively set as one main hole, and the joint section 3 between the first T-shaped section 1 and the second T-shaped section 2 is set as a secondary hole in addition to the embodiment 2.
Example 5:
on the basis of the embodiment 2, the step 3) specifically comprises the following steps:
1) a first web section 4 of a first T-shaped section 1 in the groove sections of the benzyl units of the diaphragm wall is milled by a double-wheel slot milling machine;
2) a first flange section 5 of a first T-shaped section 1 in the groove section of the benzyl unit of the diaphragm wall is milled by a double-wheel slot milling machine;
3) a second web plate section 6 of a second T-shaped section 2 in the groove section of the benzyl unit of the diaphragm wall is milled by a double-wheel slot milling machine;
4) a second flange section 7 of a second T-shaped section 2 in the bottom connecting wall benzyl-shaped unit groove section is milled by adopting a double-wheel groove milling machine;
5) a double-wheel slot milling machine is adopted to mill a joint section 3 between a first web plate section 4 and a second web plate section 6 in the bottom connecting wall 'benzyl' shaped unit slot section;
6) and finishing the grooving construction of the benzyl unit groove section of the diaphragm wall.
The five-wheel grooving machine is adopted to perform five-milling grooving on the benzyl unit groove section of the diaphragm wall, so that the grooving speed is high, the grooving construction time is shortened, the integrity and the seepage resistance of the joint of the diaphragm wall section are enhanced, the verticality of the groove section is ensured, and the smooth downward arrangement of the reinforcement cage is facilitated.
Claims (6)
1. A construction method for five milling groove sections of a benzyl unit groove of a diaphragm wall is characterized by comprising the following steps: dividing the benzyl unit groove of the diaphragm wall into a first T-shaped section (1), a second T-shaped section (2) and a joint section (3) for three-section grooving construction.
2. The construction method for five milling groove sections of benzyl unit of the diaphragm wall as claimed in claim 1, wherein the construction method comprises the following steps: the first T-shaped section (1) and the second T-shaped section (2) are respectively set as two main holes for grooving construction, and the joint section (3) is set as an auxiliary hole for final grooving.
3. The construction method for five milling groove sections of benzyl unit of the diaphragm wall as claimed in claim 2, which is characterized by comprising the following steps:
1) carrying out construction preparation work;
2) dividing the benzyl unit groove section of the diaphragm wall into four main holes and one auxiliary hole according to the milling construction sequence;
3) after the wall is fixed by the slurry, a pure milling method of a double-wheel slot milling machine is adopted, and construction is carried out according to the principle of milling a main hole firstly and milling an auxiliary hole secondly.
4. The construction method for five milling groove sections of benzyl unit of the diaphragm wall as claimed in claim 3, wherein the construction method comprises the following steps: the step 1) specifically comprises the steps of wall guide construction, hydroelectric system formation, slurry preparation and in-place work of a double-wheel slot milling machine.
5. The construction method for five milling groove sections of benzyl unit of the diaphragm wall as claimed in claim 3, wherein the construction method comprises the following steps: in the step 2), the first web section (4) and the first flange section (5) of the first T-shaped section (1), and the second web section (6) and the second flange section (7) of the second T-shaped section (2) are respectively set as a main hole, and the joint section (3) between the first T-shaped section (1) and the second T-shaped section (2) is set as an auxiliary hole.
6. The construction method for five milling groove sections of benzyl unit of the diaphragm wall as claimed in claim 3, wherein the step 3) comprises the following steps:
1) a first web section (4) of a first T-shaped section (1) in the groove sections of the benzyl units of the diaphragm wall is milled by a double-wheel slot milling machine;
2) a first flange section (5) of a first T-shaped section (1) in the groove sections of the benzyl units of the diaphragm wall is milled by a double-wheel slot milling machine;
3) a second web section (6) of a second T-shaped section (2) in the bottom connecting wall benzyl unit groove section is milled by a double-wheel slot milling machine;
4) a second wing edge section (7) of a second T-shaped section (2) in the bottom connecting wall benzyl unit groove section is milled by a double-wheel slot milling machine;
5) a double-wheel slot milling machine is adopted to mill a joint section (3) between a first web section (4) and a second web section (6) in the bottom connecting wall benzyl unit slot section;
6) and finishing the grooving construction of the benzyl unit groove section of the diaphragm wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051591.0A CN111173062A (en) | 2020-01-17 | 2020-01-17 | Construction method for five milling groove sections of benzyl-shaped unit groove of diaphragm wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051591.0A CN111173062A (en) | 2020-01-17 | 2020-01-17 | Construction method for five milling groove sections of benzyl-shaped unit groove of diaphragm wall |
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| Publication Number | Publication Date |
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| CN111173062A true CN111173062A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010051591.0A Pending CN111173062A (en) | 2020-01-17 | 2020-01-17 | Construction method for five milling groove sections of benzyl-shaped unit groove of diaphragm wall |
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| CN (1) | CN111173062A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212565A (en) * | 1978-04-17 | 1980-07-15 | The Shimizu Construction Co., Ltd. | Method and apparatus for forming a continuous row of cast-in-place piles to form a wall |
| CN103161178A (en) * | 2013-03-26 | 2013-06-19 | 葛洲坝集团基础工程有限公司 | Grooving drilling construction method of diaphragm wall |
| CN103806468A (en) * | 2013-09-30 | 2014-05-21 | 葛洲坝集团基础工程有限公司 | H-shaped impact-proof wall unit groove segment grooving construction method |
| CN106088042A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | Snap-in Y shape stake stake machine |
| CN106149679A (en) * | 2015-03-24 | 2016-11-23 | 黄河建工集团有限公司 | The construction technology of diaphram wall built by slotter |
| CN107524138A (en) * | 2016-06-20 | 2017-12-29 | 宏润建设集团股份有限公司 | A kind of ultra-deep foundation pit construction method of underground continuous wall |
| CN110158662A (en) * | 2019-05-09 | 2019-08-23 | 中铁第四勘察设计院集团有限公司 | A kind of construction method and structure of diaphram wall seam preventing water leakage |
-
2020
- 2020-01-17 CN CN202010051591.0A patent/CN111173062A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212565A (en) * | 1978-04-17 | 1980-07-15 | The Shimizu Construction Co., Ltd. | Method and apparatus for forming a continuous row of cast-in-place piles to form a wall |
| CN103161178A (en) * | 2013-03-26 | 2013-06-19 | 葛洲坝集团基础工程有限公司 | Grooving drilling construction method of diaphragm wall |
| CN103806468A (en) * | 2013-09-30 | 2014-05-21 | 葛洲坝集团基础工程有限公司 | H-shaped impact-proof wall unit groove segment grooving construction method |
| CN106149679A (en) * | 2015-03-24 | 2016-11-23 | 黄河建工集团有限公司 | The construction technology of diaphram wall built by slotter |
| CN107524138A (en) * | 2016-06-20 | 2017-12-29 | 宏润建设集团股份有限公司 | A kind of ultra-deep foundation pit construction method of underground continuous wall |
| CN106088042A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | Snap-in Y shape stake stake machine |
| CN110158662A (en) * | 2019-05-09 | 2019-08-23 | 中铁第四勘察设计院集团有限公司 | A kind of construction method and structure of diaphram wall seam preventing water leakage |
Non-Patent Citations (1)
| Title |
|---|
| 陈刚: "连续多幅异形（T形）槽地下连续墙施工关键技术", 《城市道桥与防洪》 * |
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Application publication date: 20200519 |