Superimposed assembly station side wall reserved accessory connection assembly structure system

Abstract

The utility model relates to the technical field of subway station assembly, in particular to a superimposed assembly station side wall reserved accessory connection assembly structure system which is composed of enclosure structure embedded waterproof rubber strips, prefabricated embedded columns, prefabricated embedded beams and side wall superimposed prefabricated blocks. The construction method comprises the following steps: embedding waterproof adhesive tapes into an enclosure structure; connecting prefabricated embedded columns and side wall main reinforcement grouting sleeves; pre-embedding auxiliary door frame connecting steel bars into prefabricated embedded beams and embedded columns; paving protective plates on the periphery of a door frame; and a superposed assembly station side wall reserved accessory connection assembly structure system is formed, so that the structural connection and waterproof quality of a station side wall and an accessory interface part is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the assembly technical field of subway station, concretely relates to a kind of superimposed assembly station side wall reserved accessory connection assembly structure system. BACKGROUND

[0002] To practice the green low-carbon high-quality development goal of construction industry, the field of urban rail transit is also continuously developing and creating, and the new technology and new process of fabricated construction of subway station have achieved good results. The superimposed assembly subway station construction technology is a new subway station construction organization mode in recent years, which is different from the full prefabricated assembly and the assembly superimposed whole technology. It has the characteristics of short construction period, low engineering cost, strong structural durability, high construction safety, high quality, and strong adaptability. The iteration upgrade 2.0 version further improves the whole process and whole range of side wall and reserved accessory interface, beam column, top middle plate and internal structure, cancels all formwork support systems, and has higher civilized construction and environmental protection level. It has significant economic and social benefits and high popularization and application value. The side wall reserved accessory interface part involves reservation and embedding, joint waterproofing and structural secondary connection. The complex process of this part is a weak link of water leakage in the station, and quality defects occur frequently. In view of these weaknesses, the application provides a superimposed prefabricated assembly type side wall accessory connection method to improve the overall quality of the interface structure and waterproofing. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a superimposed assembly station side wall reserved accessory connection assembly structure system to solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A superimposed assembly station side wall reserved accessory connection assembly structure system, the structure system is composed of a waterproof rubber strip embedded in the enclosure structure, a prefabricated hidden column, a prefabricated hidden beam and a side wall superimposed prefabricated block.

[0006] The waterproof rubber strip embedded in the enclosure structure refers to the surface cleaning and leveling of the earth retaining wall within the door frame to the outward range of 800mm after the excavation of the foundation pit to the reserved door frame elevation, and the waterproof rubber strip is embedded in the groove at the outward range of 750mm when backfilling to the door frame part.

[0007] The prefabricated hidden column adopts full-section prefabricated hidden column, and the top is provided with a 150*200mm bracket in one direction, the bottom main reinforcement is exposed by 200mm, and the top is provided with a grouting sleeve. The "U" shaped reinforcement and steel reinforcement connector are embedded in the door frame range facing the soil surface to provide the conditions for subsequent accessory reservation and connection. The "U" shaped reinforcement and steel reinforcement connector are also embedded in the joint surface between the hidden column and the side wall to provide the conditions for connection of the joint structural reinforcement.

[0008] The prefabricated hidden beam and the whole "L" type prefabricated top wall are provided with 150*200mm corbels, the reinforcement form of the range of the two ends of the hidden column is consistent with the prefabricated hidden column, and the middle range is the reinforcement form of the beam; the "U" type reinforcement and the steel connector are pre-buried on the door frame range facing the soil surface, so as to provide the reserved connection condition for the subsequent accessories;

[0009] The side wall composite prefabricated block carries all the side wall steel bars and is prefabricated on one side, the concrete is prefabricated to be 150mm thick, the prefabricated width is 1945mm, the top single side is provided with 150*200mm corbels, the height is determined according to the net height of the side wall, the longitudinal reserved Φ50mm shear key hole above the side wall prefabricated corbel is symmetrically arranged at a distance of 200-300mm, and the hole depth is 150mm.

[0010] The side wall composite prefabricated block is composed of upper chord reinforcement, lower chord reinforcement, K type reinforcement, inner and outer layer distribution reinforcement, corbel and concrete prefabricated block.

[0011] Further, the assembly structure of the prefabricated hidden column is that the hidden column prefabricated block is assembled as a whole, the bottom main reinforcement is anchored into the grouting sleeve to be connected, and the foam protection plate is inlaid in the gap between the continuous wall.

[0012] Further, the assembly structure of the prefabricated hidden beam is that the hidden beam prefabricated block is assembled as a whole, the two ends of the "L" type bottom plate are placed on the column corbel, the vertical reinforcement in the range of the hidden column is inserted into the grouting sleeve at the top of the hidden column to be connected, and the foam protection plate is inlaid in the gap between the continuous wall.

[0013] Further, the assembly structure of the side wall composite prefabricated block is that:

[0014] 1) Bottom fixation:

[0015] The side wall prefabricated block is assembled by gantry crane conventional equipment, and the bottom exposed main reinforcement is all anchored into the grouting sleeve to be fixed;

[0016] 2) Top tie rod fixation:

[0017] The top of the side wall prefabricated block is fixed on the enclosure structure by using the tie rod system, two points are provided on a single block for fixation, one end of the tie rod system is anchored into the enclosure structure, and the other end is provided with a pull ring to be sleeved on the exposed main reinforcement; the tie rod system is composed of an anchoring section, a pull ring section and an intermediate screw connection section.

[0018] Further, the connection structure of the prefabricated hidden column and the structural reinforcement between the side wall is:

[0019] The structural reinforcement at the joint is manually installed through the side wall truss reinforcement channel, the structural reinforcement between the hidden column and the side wall is installed in the pre-buried steel connector, and the structural reinforcement between the side wall prefabricated blocks is installed in the preset tie ring.

[0020] Further, the prefabricated hidden beam is fixed on the enclosure structure by using the pull rod on the top of the prefabricated side wall component, and the hidden beam and the side wall laminated layer concrete are poured at one time.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] The application forms the laminated assembled station side wall reserved accessory connection assembly structure by the enclosure structure inlaid waterproof rubber strip, the prefabricated hidden column and side wall main reinforcement grouting sleeve connection, the prefabricated hidden beam hidden column pre-embedded accessory door frame connection reinforcement, the protection plate around the door frame, the hidden column and side wall structure connection, the core laminated layer concrete one-time pouring technology, thereby improving the structure connection and waterproof quality of the station side wall and accessory interface part. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic view of the utility model enclosure structure inlaid waterproof rubber strip;

[0024] Figure 2 It is the structure schematic view of the utility model prefabricated hidden column;

[0025] Figure 3 It is the structure schematic view of the utility model prefabricated hidden beam;

[0026] Figure 4 It is the structure schematic view of the utility model side wall laminated prefabricated block;

[0027] Figure 5 It is the prefabricated hidden beam assembly drawing of the utility model;

[0028] Figure 6 It is the side wall laminated prefabricated block assembly drawing of the utility model;

[0029] Figure 7 It is the hidden column and side wall structure reinforcement installation drawing of the utility model;

[0030] Figure 8 It is the accessory structure connection schematic view of the utility model.

[0031] In the drawing: enclosure structure inlaid waterproof rubber strip 1, prefabricated hidden column 2, prefabricated hidden beam 3, side wall laminated prefabricated block 4, corbel 5, grouting sleeve 6, "U" type reinforcement and reinforcement connection device 7, beam hoop reinforcement 8, single limb hoop 9, column main reinforcement 10, column ring direction hoop reinforcement 11, entrance top plate 12, station top plate 13, beam midspan segment 14, beam end support 15, upper chord reinforcement 16, lower chord reinforcement 17, K type reinforcement 18, inner and outer layer distribution reinforcement 19, foam protection plate 20, anchoring segment 21, pull ring segment 22, middle screw connection segment 23, pull rod system 24, enclosure structure 25, reserved shear key hole 26 and temporary connection reinforcement 27, structure reinforcement 28, reinforcement connection 29. DETAILED DESCRIPTION

[0032] In order to more clearly illustrate the overall concept of the utility model, the following will be described in detail in an exemplary manner in combination with the drawings of the specification.

[0033] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from those described herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0034] Please refer to the accompanying drawings Figure 1 As shown in the figure, the utility model provides a kind of superimposed assembly station side wall reserved accessory connection and assembly structure system, the structure system is by enclosure inlay waterproof rubber strip 1, prefabricated column 2, prefabricated beam 3 and side wall superimposed prefabricated block 4;Wherein,

[0035] Enclosure inlay waterproof rubber strip refers to the inlay waterproof rubber strip (50x50mm) that is inlaid in recess after pit excavation to reserved door frame elevation, door frame inner side to 800mm range of outwardly placed ground connecting wall surface is cleaned, is leveled, is carved recess (deep 20mmx wide 50mm) at outwardly placed 750mm, when back to the door frame portion inlaid in recess.

[0036] Please refer to the accompanying drawings Figure 2 As shown in the figure, prefabricated column adopts full-face prefabricated column, top one-way 150*200mm bracket 5 is equipped, bottom main reinforcement is leaked 200mm, top installs grouting sleeve 6;Door frame range pre-buried "U" type reinforcement and steel bar connector 7, for subsequent accessory reserved connection condition;Dark column and side wall joint surface are also pre-buried "U" type reinforcement and steel bar connector 7, for joint structural reinforcement connection reserved connection condition.

[0037] Please refer to the accompanying drawings Figure 3 As shown in the figure, prefabricated beam and top wall body overall "L" type prefabricated, wall top is equipped with 150*200mm bracket, both ends dark column range reinforcement form is consistent with prefabricated column, middle range is beam reinforcement form;Door frame range pre-buried "U" type reinforcement and steel bar connector 7, for subsequent accessory reserved connection condition;Prefabricated beam includes beam stirrup 8, single limb hoop 9, column main reinforcement 10 and column ring-shaped stirrup 11; Figure 2 Still include entrance top plate 12, station top plate 13, beam midspan 14 and beam end support 15.

[0038] Please refer to the accompanying drawings Figure 4 As shown in the figure, side wall superimposed prefabricated block carries all side wall reinforcement single-sided prefabricated, concrete prefabricated 150mm thick, prefabricated width 1945mm, top one side is equipped with 150*200mm bracket, height is determined according to side wall net height, longitudinal reserved Φ50mm shear key hole above side wall prefabricated bracket, interval 200~300mm is arranged symmetrically, hole depth 150mm;

[0039] The side wall composite prefabricated block is composed of upper chord 16, lower chord 17, K-shaped rib 18, inner and outer layer distribution rib 19, bracket, and concrete prefabricated block. The side wall concrete prefabricated part serves as a formwork, replacing the traditional side wall large formwork system.

[0040] The assembling structure of the prefabricated concealed column in the application is that the concealed column prefabricated block is assembled as a whole, the bottom main rib is anchored into the grouting sleeve to be connected, and the foam protection plate is inlaid in the gap between the continuous wall.

[0041] Please refer to the accompanying Figure 5 The assembling structure of the prefabricated concealed beam in the application is that the concealed beam prefabricated block is assembled as a whole, the two ends of the "L"-shaped bottom plate are placed on the column bracket, the vertical rib in the range of the concealed column is inserted into the grouting sleeve at the top of the concealed column to be connected, and the foam protection plate 20 is inlaid in the gap between the continuous wall.

[0042] Please refer to the accompanying Figure 6 The assembling structure of the side wall composite prefabricated block in the application is that:

[0043] 1) Bottom fixation:

[0044] The side wall composite prefabricated block 4 is assembled by gantry crane conventional equipment, and the bottom outer leakage main rib is anchored into the grouting sleeve to be fixed;

[0045] 2) Top tie rod fixation:

[0046] The top of the side wall prefabricated block is fixed on the enclosure structure 25 by using the tie rod system 24, two points are fixed for a single block, one end of the tie rod system is anchored into the enclosure structure, and the other end is provided with a pull ring to be sleeved on the outer leakage main rib; the tie rod system is composed of an anchoring section 21, a pull ring section 22, and a middle screw connection section 23.

[0047] Construction sequence: after the foundation pit is excavated to the design elevation of the tie rod, the tie rod anchoring hole is punched; after the side wall prefabricated block is positioned, the anchoring section, the pull ring section are installed in turn, and the middle is connected by using a screw.

[0048] Figure 6 The reserved shear key hole 26 (corresponding to the middle plate) and the temporary connecting rib 27 are further included.

[0049] Please refer to the accompanying Figure 7 The connecting structure of the prefabricated concealed column and the structural rib between the side wall in the application is that:

[0050] The joint structural rib 28 is manually installed through the side wall truss rib channel (550x600mm), the structural rib between the concealed column and the side wall is installed in the pre-buried steel connector, and the structural rib between the side wall prefabricated blocks is installed in the preset pull ring.

[0051] The prefabricated concealed beam and the top of the side wall prefabricated component in the application are fixed on the enclosure structure by using the tie rod, and the concealed beam and the side wall composite layer concrete are poured at one time.

[0052] Please refer to the attached Figure 8 The auxiliary structure connection in the application is as shown in the attached

[0053] The underground continuous wall in the range of 750mm from the inner side of the door frame to the outer side is broken, the foam protection plate is removed, the reserved waterproof layer is connected, the door frame reserved hoop reinforcement connector is removed, the auxiliary steel bar connector 29 is connected, and the structure connection between the auxiliary structure and the main structure is completed after pouring concrete.

[0054] The application reserves waterproof connection conditions during excavation of the station foundation pit, reserves structural steel bar connection conditions during construction of the middle plate and low side wall, embeds subsequent door frame connection conditions during processing of the prefabricated column and the prefabricated beam, and embeds interface protection plates during assembly of the prefabricated column and the prefabricated beam, so that the reserved door frame of the station side wall and the subsequent auxiliary structure connection realize no water leakage effect.

[0055] Those skilled in the art will understand that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0056] The utility model aims at covering all such replacements, modifications and changes falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A prefabricated station side wall reserved accessory connecting assembly structure system, characterized in that, The structural system is composed of a fender mosaic waterproof rubber strip, a prefabricated hidden column, a prefabricated hidden beam, and a side wall composite prefabricated block. The fender mosaic waterproof rubber strip refers to the following process: after the foundation pit is excavated to the reserved door frame elevation, the inner side of the door frame to the outer 800mm ring range ground connected wall surface is cleaned and leveled, a groove is chiseled at the outer 750mm, and the waterproof rubber strip is inlaid in the groove when the door frame part is back built. The prefabricated hidden column adopts a full-section prefabricated hidden column, a one-way 150*200mm bracket is arranged at the top, the bottom main reinforcement is exposed by 200mm, and a grouting sleeve is arranged at the top. The "U" shaped reinforcement and the steel connector are embedded in the door frame range facing the soil surface and the joint surface between the hidden column and the side wall, and the connection conditions are reserved for the subsequent accessories. The prefabricated hidden beam and the top wall are integrally prefabricated in an "L" shape, a 150*200mm bracket is arranged at the top of the wall, the reinforcement form at both ends of the hidden column is consistent with that of the prefabricated hidden column, and the reinforcement form in the middle range is a beam. The side wall composite prefabricated block carries all the side wall reinforcement and is single-sided prefabricated, the concrete is prefabricated to a thickness of 150mm, the prefabricated width is 1945mm, a one-way 150*200mm bracket is arranged at the top, the height is determined according to the net height of the side wall, and a longitudinal reserved Φ50mm shear key hole is arranged above the side wall prefabricated bracket, which is symmetrically arranged at a distance of 200-300mm and has a hole depth of 150mm.

2. The prefabricated station side wall reserved accessory connecting and splicing structure system according to claim 1, characterized in that, The side wall composite prefabricated block is composed of top chord reinforcement, bottom chord reinforcement, K-shaped reinforcement, inner and outer layer distributed reinforcement, brackets, and concrete prefabricated blocks.

3. The prefabricated station side wall reserved accessory connecting and splicing structure system according to claim 1, characterized in that, The prefabricated hidden column is integrally assembled, the bottom main reinforcement is anchored into the grouting sleeve to connect with the foam protection plate in the gap between the continuous wall.

4. The prefabricated station side wall of the assembled vehicle according to claim 1, characterized in that, The prefabricated hidden beam is integrally assembled, the "L" shaped bottom plate is arranged at both ends of the column bracket, the vertical reinforcement in the hidden column range is inserted into the grouting sleeve at the top of the hidden column to connect with the foam protection plate in the gap between the continuous wall. The prefabricated hidden column is integrally assembled, the bottom main reinforcement is anchored into the grouting sleeve to connect with the foam protection plate in the gap between the continuous wall. 1) Bottom fixation: the side wall prefabricated block is assembled by a gantry crane, and the bottom exposed main reinforcement is anchored into the grouting sleeve for fixation; 2) Top tie rod fixation: the top of the side wall prefabricated block is fixed to the fender structure by a tie rod system, two points are fixed for a single block, one end of the tie rod system is anchored into the fender structure, and the other end is provided with a pull ring to be sleeved on the exposed main reinforcement; the tie rod system is composed of an anchoring section, a pull ring section, and a middle screw connection section. The connection structure of the structural reinforcement between the prefabricated hidden column and the side wall is as follows:

5. The prefabricated station wall of the assembled vehicle station according to claim 1, characterized in that, The structural reinforcement between the prefabricated hidden column and the side wall is installed in the embedded steel connector, and the structural reinforcement between the prefabricated blocks of the side wall is installed in the preset tie ring. The prefabricated hidden beam and the top of the side wall prefabricated component are fixed to the fender structure by a tie rod, and the hidden beam and the side wall composite layer concrete are poured at one time.

6. The prefabricated station wall of the assembled vehicle station according to claim 1, characterized in that, ​

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