CN112982445A - Backfill method for common-structure fertilizer grooves of underground road with pipe gallery penetrating through underground - Google Patents
Backfill method for common-structure fertilizer grooves of underground road with pipe gallery penetrating through underground Download PDFInfo
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- CN112982445A CN112982445A CN202110209346.2A CN202110209346A CN112982445A CN 112982445 A CN112982445 A CN 112982445A CN 202110209346 A CN202110209346 A CN 202110209346A CN 112982445 A CN112982445 A CN 112982445A
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- China
- Prior art keywords
- fertilizer
- fertilizer groove
- pipe gallery
- underground
- side wall
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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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/12—Back-filling of foundation trenches or ditches
-
- 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
- E02D29/02—Retaining or protecting walls
Abstract
The invention discloses a method for backfilling a co-constructed fertilizer groove of an underground road with an underpass pipe gallery, wherein a side wall of the underground road poured in the early stage supports or props a template by using a tie bar, and on one hand, the tie bar can avoid additionally erecting a scaffold to reinforce the template, so that the construction efficiency of backfilling the fertilizer groove is improved, and the construction period of backfilling the fertilizer groove is shortened; on the other hand, at the later stage, the fertilizer groove of non-communion department is backfilled the back, and the lacing wire also need not to dismantle and pour in the fertilizer groove of non-communion department, has further strengthened the concrete structure intensity in the fertilizer groove, supports firmly the piping lane of fertilizer groove top. The invention solves the problems that the traditional fertilizer tank backfilling method has low construction efficiency and prolongs the construction period because the templates are erected in the backfilling area and supported and reinforced by the scaffold.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a backfill method for a common-structure fertilizer tank of an underground road with an underpass pipe gallery.
Background
The utility tunnel is an underground urban pipeline utility tunnel, namely, a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing urban operation.
In some underground building structures, various underground structures are arranged in a staggered mode, such as herringbone intersection points penetrating underground roads on a comprehensive pipe gallery, and a bottom plate of the comprehensive pipe gallery and a top plate of the underground roads are constructed together. Before constructing the pipe gallery at the common construction position, the fertilizer tank at the slope position of the underground road needs to be backfilled.
In the traditional fertilizer tank backfilling method, a template is erected in a backfilling area and is supported and reinforced by a scaffold, so that the problems of low construction efficiency and long construction period exist.
Disclosure of Invention
In order to overcome the defects in the prior art, the common-structure fertilizer tank backfilling method for the underground road with the pipe gallery penetrating through the underground road is provided, and the problems that in the traditional fertilizer tank backfilling method, a formwork is erected in a backfilling area and supported and reinforced by a scaffold, the construction efficiency is low, and the construction period is prolonged are solved.
In order to achieve the purpose, the backfill method for the fertilizer grooves at the common structure of the underground road with the pipe gallery penetrating downwards is provided, the pipe gallery penetrating downwards is arranged on the underground road, the slope is arranged on the two sides of the underground road, the fertilizer grooves are formed, and the backfill method for the fertilizer grooves at the common structure comprises the following steps:
constructing a side wall at the co-construction position of the underground road, so that the side wall is opposite to a side slope of the fertilizer groove at the co-construction position;
a plurality of tie bars are respectively arranged in two ends of the fertilizer groove at the same position, and two ends of each tie bar are respectively connected with the side wall and the side slope, so that the tie bars are arranged at intervals in the vertical direction;
respectively arranging templates on opposite sides of a plurality of tie bars at two ends of the fertilizer groove at the common construction position, so that the tie bars are supported on the outer sides of the templates, and enclosing the templates at the two ends of the fertilizer groove at the common construction position with the side wall and the side slope to form a backfill space;
and pouring concrete in the backfill space.
Furthermore, many the lacing bar with the pipe gallery lead the wall and be in same vertical plane.
Further, the tie bar includes:
the side wall comprises a steel bar structure and concrete coated on the steel bar structure, a first end of the embedded section is anchored in the concrete and connected with the steel bar structure, and a second end of the embedded section extends into a fertilizer tank at the co-construction position; and
the planting section, the first end of planting the section is planted in the side slope, the second end of planting the section extends to the fertile inslot of coexistence department and is connected with the second end of pre-buried section.
Further, the two ends of the backfill space are respectively arranged outside the two opposite sides of the pipe gallery.
The method for backfilling the fertilizer grooves at the co-structure position of the underground road with the pipe gallery penetrating through the underground road has the advantages that the fertilizer grooves at the co-structure position can be backfilled without waiting for the completion of the construction of the underground road, the side wall of the underground road is poured in the early stage, and the template is supported or supported by using the tie bars, so that on one hand, the tie bars can prevent the template from being reinforced by additionally erecting a scaffold, the construction efficiency of backfilling the fertilizer grooves is improved, and the construction period of backfilling the fertilizer grooves is shortened; on the other hand, at the later stage, the fertilizer groove of non-communion department is backfilled the back, and the lacing wire also need not to dismantle and pour in the fertilizer groove of non-communion department, has further strengthened the concrete structure intensity in the fertilizer groove, supports firmly the piping lane of fertilizer groove top.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic plan view of a co-constructed fertilizer trough according to an embodiment of the present invention.
FIG. 2 is an enlarged view of a co-constructed fertilizer trough according to an embodiment of the present invention.
Fig. 3 to 5 are schematic diagrams illustrating steps of a method for backfilling a fertilizer groove at a co-construction position of an underground road of an underpass pipe gallery in an embodiment of the invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 3 is a schematic diagram of side wall pouring formation of an underground road, fig. 4 is a schematic diagram of a state that an implantation section is implanted into a side slope, and fig. 5 is a schematic diagram of butt joint of an embedded section in the side wall and an implantation section in the side slope.
Referring to fig. 1 to 5, the invention provides a backfill method for a fertilizer groove at a common structure of an underground road with a pipe gallery penetrating through, which comprises the following steps:
s1: and constructing the side wall 1 of the underground road 5 at the co-construction position, so that the side wall 1 is opposite to the side slope 2 of the fertilizer groove at the co-construction position.
Specifically, referring to fig. 1 and 2, a pipe gallery 7 is arranged below the underground road 5, and fertilizer grooves are formed on two slopes of the underground road 5.
In the present embodiment, the underground roadway 5 is in the shape of a herringbone. The two sides of the underground road are put on slopes and excavated to form fertilizer grooves, and after the fertilizer grooves are excavated, the two opposite sides of the underground road are poured to form side walls 1.
The herringbone underground road has a complex structure and is slow in construction speed. A construction joint is arranged at the position 1/2 in the length direction on the side wall close to one side of the fertilizer trough, and pouring is carried out in two times.
The both ends of side wall extend to the outside of the relative both sides of piping lane. In this embodiment, the contour line of the pipe gallery is expanded by 1m to serve as the range limit of the backfill.
S2: set up many drawbars 3 in the both ends of the fertile groove of coexistence department respectively, be connected with the both ends of drawbar 3 respectively side wall 1 with side slope 2 for many drawbars 3 set up along vertical direction interval.
As a preferred embodiment, the tie bar 3 includes: an embedding section 31 and an implanting section 32.
The side wall 1 comprises a steel bar structure and concrete coated on the steel bar structure.
The first end anchor of pre-buried section 31 is in the concrete and is connected with steel bar structure. The second end of the embedded section 31 extends into the fertilizer groove at the co-construction position. A first end of the implantation section 32 is implanted in the slope 2. The second end of the implantation section 32 extends into the fertilizer groove at the co-construction position and is connected with the second end of the embedded section 31.
The side wall 1 of the herringbone underground road structure comprises a steel bar structure and concrete coated on the steel bar structure. After the side wall steel bar structures of the herringbone underground road structure are bound, connecting a plurality of embedded sections with phi 28mm on the steel bar structures, wherein the interval between the upper and lower adjacent embedded sections is 100 mm.
The guide walls of the plurality of tie bars 3 and the pipe gallery 7 are positioned on the same vertical plane. Specifically, the direction that sets up of pre-buried section sets up with the length direction of the piping lane of chevron shape underground road structure's top, and with the wall of leading of piping lane 7 in same vertical plane, many pre-buried sections equidistant arrange.
In this embodiment, the construction of the tie bar is performed step by step:
firstly, constructing an embedded section, connecting the embedded section to the steel bar structure of the side wall when the embedded section is used for constructing the steel bar structure of the side wall, and then pouring concrete to ensure that a second end of the embedded section extends to the outside of the side wall;
the first end of implantation section is implanted to the back construction implantation section in the side slope, and the implantation depth is more than or equal to 1m for many implantation sections one-to-one are in many pre-buried sections.
In this embodiment, as shown in fig. 3, the two ends of the fertilizer trough at the same structure are respectively provided with a tie bar.
S3: and the opposite sides of the plurality of tie bars 3 at the two ends of the fertilizer tank at the joint are respectively provided with a template, so that the plurality of tie bars 3 are supported on the outer side of the templates, and the templates at the two ends of the fertilizer tank at the joint are enclosed with the side wall 1 and the side slope 2 to form a backfill space 4.
Specifically, the templates are installed on the opposite sides of the tie bars at the two ends of the fertilizer tank at the co-construction position, and the outer sides of the templates are supported by the aid of the tie bars, so that the templates at the two ends of the fertilizer tank at the co-construction position, the side wall 1 and the side slope 2 are enclosed to form a backfill space 4.
S4: concrete is poured into the backfill space 4.
And after the backfilling space is formed, pouring concrete in the backfilling space.
The two ends of the backfill space 4 are respectively arranged outside the two opposite sides of the pipe gallery 7.
According to the method for backfilling the fertilizer grooves at the co-constructed positions of the underground roads with the pipe gallery penetrating therebelow, the fertilizer grooves at the co-constructed positions can be backfilled without waiting for the completion of the construction of the underground roads, and the side walls of the underground roads are poured in the early stage to support or prop the templates by using the tie bars, so that on one hand, the tie bars can prevent additional scaffolds from being built to reinforce the templates, the construction efficiency of backfilling the fertilizer grooves is improved, and the construction period of backfilling the fertilizer grooves is shortened; on the other hand, after the fertilizer tank at the later stage non-co-structural position is backfilled, the tie bars do not need to be detached and poured into the fertilizer tank at the non-co-structural position, the strength of the concrete structure in the fertilizer tank is further reinforced, and the pipe gallery above the fertilizer tank is stably supported.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (4)
1. The utility model provides a backfill method of fertilizer groove of co-structure department of underground road of underpass pipe gallery, which is characterized in that, underpass pipe gallery, the slope setting of both sides of underground road is seted up and is formed with the fertilizer groove, and the backfill method of fertilizer groove of co-structure department includes the following steps:
constructing a side wall at the co-construction position of the underground road, so that the side wall is opposite to a side slope of the fertilizer groove at the co-construction position;
a plurality of tie bars are respectively arranged in two ends of the fertilizer groove at the same position, and two ends of each tie bar are respectively connected with the side wall and the side slope, so that the tie bars are arranged at intervals in the vertical direction;
respectively arranging templates on opposite sides of a plurality of tie bars at two ends of the fertilizer groove at the common construction position, so that the tie bars are supported on the outer sides of the templates, and enclosing the templates at the two ends of the fertilizer groove at the common construction position with the side wall and the side slope to form a backfill space;
and pouring concrete in the backfill space.
2. The method of claim 1, wherein the tie bars and the guide wall of the pipe gallery are in the same vertical plane.
3. The method of backfilling a co-constructed trench in an underground road of an underpass piping lane according to claim 1, wherein said tie bar comprises:
the side wall comprises a steel bar structure and concrete coated on the steel bar structure, a first end of the embedded section is anchored in the concrete and connected with the steel bar structure, and a second end of the embedded section extends into a fertilizer tank at the co-construction position; and
the planting section, the first end of planting the section is planted in the side slope, the second end of planting the section extends to the fertile inslot of coexistence department and is connected with the second end of pre-buried section.
4. The method of claim 1, wherein the backfill space is provided outside of opposite sides of the pipe gallery at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209346.2A CN112982445B (en) | 2021-02-24 | 2021-02-24 | Backfill method for common-structure fertilizer grooves of underground road with pipe gallery penetrating through underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209346.2A CN112982445B (en) | 2021-02-24 | 2021-02-24 | Backfill method for common-structure fertilizer grooves of underground road with pipe gallery penetrating through underground |
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| CN112982445A true CN112982445A (en) | 2021-06-18 |
| CN112982445B CN112982445B (en) | 2022-09-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150191877A1 (en) * | 2011-09-13 | 2015-07-09 | Mustapha Aboulcaid | Method for building structures, particularly passages under operating railways or the like |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN108397200A (en) * | 2018-01-29 | 2018-08-14 | 中建市政工程有限公司 | Formula construction method is done after metro station tunnel linkage segment structure |
-
2021
- 2021-02-24 CN CN202110209346.2A patent/CN112982445B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150191877A1 (en) * | 2011-09-13 | 2015-07-09 | Mustapha Aboulcaid | Method for building structures, particularly passages under operating railways or the like |
| CN105862873A (en) * | 2016-04-13 | 2016-08-17 | 北京建工四建工程建设有限公司 | Construction method of underground water prevention and exterior wall structures of narrow space of deep foundation pit |
| CN108397200A (en) * | 2018-01-29 | 2018-08-14 | 中建市政工程有限公司 | Formula construction method is done after metro station tunnel linkage segment structure |
Non-Patent Citations (1)
| Title |
|---|
| 潇湘晨报: "《在雄安工地上拼搏的中建轨道人：他们是铁军》", 《HTTP://BAIJIAHAO.BAIDU.COM/S?ID=1676651114117999506&WFR=SPIDER&FOR=PC》 * |
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| CN112982445B (en) | 2022-09-13 |
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