CN212956407U

CN212956407U - Roller compacted concrete dam normality and roller compacted concrete transition structure form

Info

Publication number: CN212956407U
Application number: CN202021073823.4U
Authority: CN
Inventors: 王栋
Original assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Current assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-04-13
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a roller compacted concrete dam normality and roller compacted concrete transition structural style, including spherical keyway, advance the grout system, grout passageway, exhaust apparatus and seam reinforcing bar, and seam distribution reinforcing bar and grout stopping sheet, spherical keyway is by the setting of steel stock template the metamorphosis concrete is pour to spherical keyway's separation joint roller compacted concrete one side the grout system is advanced to the parting bottom setting of spherical keyway, advance the grout passageway of grout system by the grout passageway forms, spherical keyway advance the grout system and the formation of grout passageway irrigated area the irrigated area top is equipped with exhaust apparatus set up and seam reinforcing bar in the parting face scope of irrigated area, the bottommost of irrigated area is equipped with and stitches distribution reinforcing bar. The normal state and the transitional structure form of the roller compacted concrete dam can ensure that concrete with different properties on two sides of the parting position are tightly combined, and the whole operation safety of the dam structure is ensured.

Description

Roller compacted concrete dam normality and roller compacted concrete transition structure form

Technical Field

The utility model relates to a hydraulic construction technical field among the hydraulic and hydroelectric engineering specifically is a roller compacted concrete dam normality and roller compacted concrete transition structural style.

Background

In the design process of the roller compacted concrete dam, most of the structure of the general dam body is a roller compacted concrete structure, but the surface hole part is a normal concrete structure. Based on this, study a utility model dam normality and roller compacted concrete transition structural style can guarantee the steady transition of dam concrete structure, avoids producing weak link, ensures dam operation safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roller compacted concrete dam normality and roller compacted concrete transition structural style to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roller compacted concrete dam normality and roller compacted concrete transition structural style, includes spherical keyway, advances the recharge slurry system, grout passageway, exhaust apparatus, and seam reinforcing bar, and seam distribution reinforcing bar and grout stopping sheet, spherical keyway is set up by steel stock template the separation seam roller compacted concrete one side of spherical keyway pours abnormal concrete, set up into the recharge slurry system in the parting bottom of spherical keyway, advance the grout passageway of recharge slurry system by the grout passageway forms, spherical keyway advances the recharge slurry system and forms the irrigation zone with the grout passageway, the irrigation zone top is equipped with exhaust apparatus, set up the seam reinforcement in the parting face scope in irrigation zone, the bottommost of irrigation zone is equipped with and sews the distribution reinforcing bar, the outermost scope in irrigation zone sets up grout stopping sheet.

Preferably, the number of the grouting passages is several, and the grouting passages are arranged along the up-down direction.

Preferably, the number of the spherical keyways is several, and the spherical keyways are arranged at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: this roller compacted concrete dam normality and roller compacted concrete transition structural style through set up the structural style that three kinds of safety measure combine altogether at two kinds of concrete parting: the spherical key groove is arranged, the grouting system is arranged, the grouting passage method is used for grouting, and the parallel joint reinforcing steel bars are additionally arranged, so that the concrete with different properties on two sides of the joint can be tightly combined, and the whole operation safety of the dam structure is ensured.

Drawings

Fig. 1 is the utility model discloses roller compacted concrete and normality concrete parting transition structure sketch map.

In the figure: 1. spherical keyway, 2, advance the grout return system, 3, grout passageway, 4, exhaust apparatus, 5, parallel joint reinforcing bar, 6, parallel joint distribution reinforcing bar, 7, the grout stop piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a roller compacted concrete dam normal state and roller compacted concrete transition structure form comprises a plurality of spherical key grooves 1, a grouting system 2, grouting passages 3, an exhaust device 4, a parallel joint reinforcing steel bar 5, parallel joint distribution reinforcing steel bars 6 and grout stopping sheets 7, wherein the spherical key grooves 1 are formed by steel shaping templates, the spherical key grooves 1 are arranged at equal intervals, metamorphosis concrete is poured on one side of the spherical key grooves 1, the parallel joint grouting system 2 is arranged at the bottom of the parallel joint of the spherical key grooves 1, the grouting passages of the grouting system 2 are formed by the grouting passages 3, the grouting passages 3 are arranged at a plurality of numbers and are arranged along the up-down direction, the spherical key grooves 1, the parallel joint grouting system 2 and the grouting passages 3 form a grouting area, the exhaust device 4 is arranged at the top of the grouting area, the parallel joint reinforcing steel bars 5 are arranged in the range of the parallel joint surface of the grouting area, and the bottommost part of the irrigation area is provided with parallel-joint distributed steel bars 6, and the outermost layer range of the irrigation area is provided with a grout stop sheet 7.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Firstly, arranging a spherical key groove 1 by using a steel shaping template, pouring abnormal concrete with a certain thickness on one side of the parting seam roller compacted concrete, ensuring that the concrete material is tightly combined and gradually changed, arranging a grout inlet system 2 and a grout return system 2 at the bottom of the parting seam, forming a grouting passage 3 by using a grouting passage, and arranging an exhaust device 4 at the top of a grouting area; setting and jointing reinforcing steel bars 5 in the range of a parting surface, setting and jointing distributed reinforcing steel bars 6 at the bottommost part of the range, further effectively connecting concrete with different properties at two sides of the parting, setting grout stopping sheets 7 in the range of the outermost layer of a pouring area, performing chiseling treatment on the parting surface and washing the parting surface after the concrete pouring of a roller block is completed, finally performing contact grouting on the parting surface by using a grout inlet and return system 2 and a grouting passage 3 after the concrete pouring of the normal part of the parting area is completed and reaches a certain age, and performing grout discharge and exhaust by using an exhaust device 4 to further fill and compact pores in the parting.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "distributed," "cast," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roller compacted concrete dam normality and roller compacted concrete transition structural style which characterized in that: comprises a spherical key slot (1), a grout inlet and return system (2), a grouting passage (3), an exhaust device (4), a parallel joint reinforcing steel bar (5), a parallel joint distribution reinforcing steel bar (6) and a grout stopping sheet (7), wherein the spherical key slot (1) is arranged by a steel shaping template, abnormal concrete is poured on one side of the parting joint roller compacted concrete of the spherical key groove (1), a grout feeding and returning system (2) is arranged at the bottom of the parting of the spherical key groove (1), the grouting passage of the grout inlet and return system (2) is formed by the grouting passage (3), the spherical key groove (1) enters a grouting system (2) and a grouting passage (3) to form a grouting area, the top of the grouting area is provided with an exhaust device (4), setting and jointing reinforcing steel bars (5) in the range of the parting surface of the grouting area, arranging and jointing distributed reinforcing steel bars (6) at the bottommost part of the grouting area, and arranging grout stopping sheets (7) in the range of the outermost layer of the grouting area.

2. The roller compacted concrete dam normal and roller compacted concrete transitional structural form of claim 1, characterized in that: the number of the grouting passages (3) is a plurality, and the grouting passages are arranged along the vertical direction.

3. The roller compacted concrete dam normal and roller compacted concrete transitional structural form of claim 1, characterized in that: the number of the spherical keyways (1) is a plurality, and the spherical keyways are arranged at equal intervals.