CN220080031U - Structural member with ring frame beam serving as enclosing purlin - Google Patents
Structural member with ring frame beam serving as enclosing purlin Download PDFInfo
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- CN220080031U CN220080031U CN202321320268.4U CN202321320268U CN220080031U CN 220080031 U CN220080031 U CN 220080031U CN 202321320268 U CN202321320268 U CN 202321320268U CN 220080031 U CN220080031 U CN 220080031U
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- gradient
- ring frame
- frame beam
- enclosing purlin
- construction
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- 238000010276 construction Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a structural member with a ring frame beam serving as an enclosing purlin, which comprises a combination member, wherein the combination member is divided into a first gradient member and a second gradient member, the first gradient member is connected with an underground diaphragm wall formed by prior construction to form an enclosing purlin acting state, the second gradient member is formed by post construction of the first gradient member, the second gradient member is connected with a side wall constructed on the side surface of the underground diaphragm wall at the later time to form a ring frame beam acting state, and meanwhile, the second gradient member and the first gradient member are in an integrated construction structure. The utility model solves the problem that the conventional enclosing purlin needs to be chiseled off in the later period of the temporary structure through the combination member, and the combination member not only can be used as and plays the role of the temporary enclosing purlin in the earlier period of the tunnel foundation pit construction, but also can be used as a ring frame beam in the later period of the tunnel foundation pit construction and plays the role of the ring frame beam.
Description
Technical Field
The utility model relates to the technical field of rail transit engineering, in particular to a structural member with a ring frame beam serving as an enclosing purlin.
Background
At present, municipal construction engineering in China rapidly develops, municipal tunnels are continuously made deep, and a plurality of concrete enclosing purlins and concrete supports are often required to be arranged in tunnel foundation pits in order to ensure that peripheral construction structures are not affected. The end of the shield well is often required to be provided with the ring frame beam due to the reserved shield hoisting hole, so that the temporary concrete surrounding purlin is required to be chiseled at the design position to install the ring frame beam, time and labor are wasted, the temporary concrete surrounding purlin is relatively difficult to chiseled, and the construction progress is delayed.
Disclosure of Invention
The utility model aims to provide a structural member which can combine a permanent structural ring frame beam and a temporary structural enclosing purlin before and after construction to play a corresponding role.
For this purpose, the utility model adopts the following technical scheme:
the utility model provides a ring frame roof beam double as structure component of enclosing purlin, includes the binding member, the binding member divides and sets up first gradient component and second gradient component, first gradient component is connected with the underground diaphragm wall that forms in advance construction, forms and encloses purlin action state, first gradient component post construction forms the second gradient component, the second gradient component with post construction in the side wall of underground diaphragm wall side is connected, forms ring frame roof beam action state, makes simultaneously the second gradient component with first gradient component waters and is integrated into one piece construction structure.
Further: and a ground connection wall connector which can be connected with the steel bars in the first gradient component is arranged in the underground continuous wall in a pre-buried mode.
Further: the first gradient member is provided with a reinforced concrete support connected thereto on a side thereof so that the first gradient member is connected to the underground diaphragm wall.
Further: and a side wall steel bar is preset in the second gradient component, and a steel bar connector capable of being connected with the side wall steel bar is reserved in the side wall body.
Further: and grouting guide pipes are reserved in the side walls and are arranged at the joints of the second gradient members and the side walls so as to enable the joints to be compact.
Further: the first gradient member is constructed according to the requirement standard of the second gradient member.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model solves the problem that the conventional enclosing purlin needs to be chiseled off in the later period of the temporary structure through the combination member, and the combination member not only can be used as the temporary enclosing purlin in the earlier period of the tunnel foundation pit construction and plays the role of the enclosing purlin, but also can be used as the ring frame beam in the later period of the tunnel foundation pit construction and plays the role of the ring frame beam, thereby not only enhancing the rigidity of the enclosing structure and ensuring the safety and stability of the tunnel foundation pit. Meanwhile, the utility model can correspondingly save the construction period and improve the construction efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the purlin of the present utility model;
fig. 3 is a schematic view of the internal structure of the present utility model.
The marks in the drawings are: underground diaphragm wall 1, side wall 2, binding member 3, first gradient member 31, second gradient member 32, slip casting pipe 4, ground connection wall connector 5, reinforcing bar connector 6, side wall reinforcing bar 7.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1-3, a ring frame beam is also used as a structural member of an enclosing purlin, and comprises a combination member 3, wherein the combination member 3 is divided into a first gradient member 31 and a second gradient member 32, the first gradient member 31 is connected with an underground diaphragm wall 1 formed by prior construction to form an enclosing purlin acting state, the second gradient member 32 is formed by post-construction of the first gradient member 31, the second gradient member 32 is connected with a side wall 2 which is formed by post-construction of the side wall of the underground diaphragm wall 1 to form a ring frame beam acting state, and meanwhile, the second gradient member 32 and the first gradient member 31 are in an integrated construction structure.
In this embodiment, the first gradient member 31 and the second gradient member 32 are constructed according to the standard and the size of the ring frame beam. The first gradient member 31 arranged at the early stage of construction can be used as an enclosing purlin and plays a corresponding role of the enclosing purlin, and meanwhile, the structural strength can be further enhanced and the safety of a foundation pit can be ensured; and the second gradient member 32 is used as a ring frame beam in the later stage of construction and plays a corresponding role of the ring frame beam, thereby further simplifying construction.
As shown in fig. 2, specifically, the underground diaphragm wall 1 is provided with the underground diaphragm wall connector 5 which can be connected with the reinforcing steel bars in the first gradient member 31.
In this embodiment, the first gradient member 31 is provided with a reinforced concrete support connected thereto at the side thereof so that the first gradient member 31 is connected to the underground diaphragm wall 1.
As shown in fig. 2, specifically, the second gradient member 32 is provided with a side wall reinforcement bar 7 in advance, and the wall body of the side wall 2 is provided with a reinforcement bar connector 6 capable of being connected with the side wall reinforcement bar 7 in advance. The side wall reinforcing steel bars 7 comprise side wall inner reinforcing steel bars and side wall outer reinforcing steel bars which are arranged separately, and the side wall inner reinforcing steel bars and the side wall outer reinforcing steel bars are correspondingly connected.
As shown in fig. 1, in particular, a grouting conduit 4 is reserved in the side wall 2, and the grouting conduit 4 is disposed at a joint between the second gradient member 32 and the wall of the side wall 2, so that the joint is compact. Two grouting guide pipes 4 can be correspondingly arranged corresponding to the connection relation between the second gradient member 32 and the upper wall body and the lower wall body of the side wall 2, so that the joint of the combination member 3 and the side wall 2 is fully compact.
Referring to fig. 1 to 3, when the construction of the structural member joining member 3, which is also used as the purlin, is performed by using the ring frame beam, the following steps are performed:
s1: firstly, excavating a groove-shaped underground diaphragm wall 1, lowering a reinforcement cage of the underground diaphragm wall, embedding a ground diaphragm wall connector 5 connected with a first gradient component 31 in the reinforcement cage of the underground diaphragm wall 1, and pouring the underground diaphragm wall 1;
s2: digging a foundation pit, and connecting the steel bars in the first gradient member 31 with the ground connecting wall connector 5 when digging to the elevation of the first gradient member 31;
s3: the second gradient component 32 and the reinforced concrete support are poured simultaneously, and corresponding pouring holes and the reinforced bar connectors 6 of the upper wall body and the lower wall body are reserved on the second gradient component 32;
s4: continuously excavating a foundation pit to the pit bottom, and pouring a structure from bottom to top;
s5: when the second gradient member 32 is built back to the elevation, the side wall steel bars 7 are connected with the reserved steel bar connector 6, the side wall 2 is poured and tamped Kong Jiaozhu by the original reserved steel bar connector, and meanwhile, a grouting guide pipe 4 is reserved at the joint of the second gradient member 32 and the upper and lower wall bodies of the side wall 2 when the side wall 2 is poured;
s6: the second gradient member 32 is re-grouted after construction is completed to ensure that the joint between the joining member 3 and the wall is tight.
The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a ring frame roof beam double as encloses the structural component of purlin which characterized in that: including binding member (3), binding member (3) divide and set up first gradient component (31) and second gradient component (32), first gradient component (31) are connected with underground diaphragm wall (1) that the construction formed in advance, form and enclose purlin effect state, construction behind first gradient component (31) forms second gradient component (32), second gradient component (32) with construction behind in side wall (2) of underground diaphragm wall (1) side are connected, form ring frame roof beam effect state, make simultaneously second gradient component (32) with first gradient component (31) are integral type construction structure.
2. The structural member for a ring frame beam serving as an enclosing purlin according to claim 1, wherein: and a ground connection wall connector (5) which can be connected with the steel bars in the first gradient component (31) is arranged in the underground continuous wall (1) in a pre-buried mode.
3. The structural member for a ring frame beam serving as an enclosing purlin according to claim 1, wherein: the first gradient member (31) is provided with a reinforced concrete support connected thereto on the side thereof so that the first gradient member (31) is connected to the underground diaphragm wall (1).
4. The structural member for a ring frame beam serving as an enclosing purlin according to claim 1, wherein: side wall steel bars (7) are arranged in the second gradient component (32) in advance, and steel bar connectors (6) capable of being connected with the side wall steel bars (7) are arranged in the wall body of the side wall (2) in advance.
5. The structural member for a ring frame beam serving as an enclosing purlin according to claim 1, wherein: grouting guide pipes (4) are reserved in the side walls (2), and the grouting guide pipes (4) are arranged at joints of the second gradient members (32) and the walls of the side walls (2) so that the joints are compact.
6. The structural member for a ring frame beam serving as an enclosing purlin according to claim 1, wherein: the first gradient member (31) is constructed according to the requirement standard of the second gradient member (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321320268.4U CN220080031U (en) | 2023-05-25 | 2023-05-25 | Structural member with ring frame beam serving as enclosing purlin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321320268.4U CN220080031U (en) | 2023-05-25 | 2023-05-25 | Structural member with ring frame beam serving as enclosing purlin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220080031U true CN220080031U (en) | 2023-11-24 |
Family
ID=88822183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321320268.4U Active CN220080031U (en) | 2023-05-25 | 2023-05-25 | Structural member with ring frame beam serving as enclosing purlin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220080031U (en) |
-
2023
- 2023-05-25 CN CN202321320268.4U patent/CN220080031U/en active Active
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