CN219196034U - Simple tower body protection retaining wall of tower crane - Google Patents

Abstract

The utility model discloses a simple tower body protection retaining wall of a tower crane, which comprises a protection retaining wall built on a tower crane foundation, wherein the protection retaining wall is cylindrical, a wall body is arranged outside a standard section of the tower crane in a surrounding manner, the central axis of the wall body is collinear with the central axis of the standard section of the tower crane, the protection retaining wall is divided into a plurality of layers with different thicknesses from bottom to top, the inner diameters of the protection retaining walls of all layers are equal, and the outer diameters of the protection retaining walls of all layers are reduced from bottom to top layer by layer. The utility model has simple structure and convenient construction, fully considers the construction background of a construction field, optimizes the traditional tower crane protective retaining wall structure, ensures that the protective retaining wall is not instable and damaged when backfilling outside and achieves the purpose of reasonably saving resources, and simultaneously, the wall body of the protective retaining wall only passes through two materials of solid small bricks and mortar, thereby reducing the construction cost and improving the construction efficiency.

Description

Simple tower body protection retaining wall of tower crane

Technical Field

The utility model relates to the technical field of building construction, in particular to a simple tower body protection retaining wall of a tower crane.

Background

When the tower crane foundation is arranged at the adjacent side part of the construction project, the tower crane can be arranged in a foundation pit side slope or a fertilizer groove under most conditions, when the fertilizer groove is backfilled, a tower body protection retaining wall is required to be arranged on the periphery of the tower crane, and then subsequent backfilling construction is carried out, so that the normal use of the tower crane is not influenced during backfilling. However, the existing protective retaining wall for the tower body generally adopts a reinforced concrete structure or a masonry structure with constructional columns, and the working procedures such as bar planting, bar binding, formwork supporting and concrete curing are time-consuming and labor-consuming, so that the problems of low overall construction speed, low efficiency and the like in the construction working procedure of the protective retaining wall are often caused, and the construction of other professionals on the construction site cannot form running water construction. Especially for the construction field with shallow burial depth, low water content and simple geological conditions, the construction is carried out according to the structure of the existing protection retaining wall, the construction progress is undoubtedly dragged, and the waste of construction resources is caused.

Disclosure of Invention

The utility model aims to provide a simple tower body protection retaining wall of a tower crane, which aims to solve the technical problems in the background technology.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a simple and easy formula tower crane body protection barricade, includes the protection barricade of building on the tower crane foundation, the protection barricade is cylindric, and its wall body encloses to establish in the tower crane standard festival outside, and its central axis and the central axis collineation of tower crane standard festival, and the protection barricade divide into a plurality of layers that the thickness is unequal from bottom to top, and the internal diameter of each layer protection barricade equals, and the external diameter of each layer protection barricade reduces from down to the upper layer by layer.

Preferably, in order to ensure the protection effect, the inner diameter size of the protection retaining wall is not less than 2.5m, and the clear distance between the protection retaining wall and the standard section of the tower crane is not less than 0.5m.

Preferably, in order to ensure the protection effect, the top end of the protection retaining wall exceeds the natural ground, and the height of the protection retaining wall beyond the natural ground is not less than 0.35m.

Preferably, in order to ensure structural stability of the protective retaining wall, the height of the wall body in the backfill range of the protective retaining wall is not greater than 5m, the height of each layer of protective retaining wall is not less than 0.5m, the thickness of the protective retaining wall in the backfill depth range of greater than 4m and less than or equal to 5m is not less than 0.5m, the thickness of the protective retaining wall in the backfill depth range of greater than 2m and less than or equal to 4m is not less than 0.37m, and the thickness of the protective retaining wall in the backfill depth range of less than or equal to 2m is not less than 0.24m.

Preferably, in order to ensure the structural stability of the protective retaining wall and ensure the protective effect, the protective retaining wall is built by only adopting two materials of solid small bricks and mortar, the size of the solid small bricks is not more than 240mm multiplied by 115mm multiplied by 53mm, the strength grade of the solid small bricks is not less than 5MPa, the mortar adopts cement mortar, and the strength grade of the mortar is not less than 3.5 MPa.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and convenient construction, fully considers the construction background of shallower burial depth, lower water content and simpler geological condition of a construction field, optimizes the traditional tower crane protective retaining wall structure, utilizes the stress characteristic of the protective retaining wall arch structure, ensures that the protective retaining wall is not unstable and damaged when backfilling outside, combines the backfilling height of the outer side of the protective retaining wall to carry out layered optimization on the wall thickness of the protective retaining wall so as to achieve the aim of reasonably saving resources, and simultaneously, the wall body of the protective retaining wall only comprises two materials of solid small bricks and mortar, does not comprise wall materials such as steel bars, concrete and the like, does not comprise a series of time-consuming procedures such as template manufacture and installation, and simultaneously avoids related procedures such as bar planting, bar planting inspection and the like, thereby not only reducing the construction cost, but also improving the construction efficiency.

Drawings

The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

fig. 1 is a schematic cross-sectional view of a protective retaining wall of a tower body of a simple tower crane according to the present utility model;

fig. 2 is a schematic plan layout view of a protective retaining wall of a tower body of a simple tower crane according to the present utility model.

Reference numerals: 1-protection retaining wall, 2-tower crane foundation, 3-tower crane standard section, 4-foundation pit side slope, 5-fertilizer groove, 6-basement outer wall, 7-foundation slab and 8-natural ground.

Detailed Description

Hereinafter, an embodiment of a simple tower body protecting retaining wall of a tower crane according to the present utility model will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms "top", "bottom", "upper", "lower", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-2:

as shown in fig. 1-2, the simple tower body protection retaining wall of the tower crane of the preferred embodiment of the utility model comprises a protection retaining wall 1 built on a tower crane foundation 2, wherein the protection retaining wall 1 is cylindrical, the wall body of the protection retaining wall is enclosed outside a tower crane standard section 3, and the central axis of the protection retaining wall is collinear with the central axis of the tower crane standard section 3;

in order to ensure the protection effect, the inner diameter size of the protection retaining wall 1 is not less than 2.5m, the clear distance between the protection retaining wall 1 and the tower crane standard section 3 is not less than 0.5m, the top end of the protection retaining wall 1 exceeds the natural ground 8, and the height of the protection retaining wall 1 exceeding the natural ground 8 is not less than 0.35m;

as shown in fig. 1-2, the protective retaining wall 1 is divided into a plurality of layers with unequal thickness from bottom to top, the inner diameter of each layer of protective retaining wall 1 is equal, and as the depth of burial is smaller, the lateral pressure of soil body is reduced, so that the required wall thickness is smaller, in order to save construction cost, the outer diameter of each layer of protective retaining wall 1 is reduced from bottom to top layer by layer, at this time, in order to ensure the structural safety of the protective retaining wall 1, the height of the wall in the backfilling range of the protective retaining wall 1 is not more than 5m, and the height of each layer of protective retaining wall 1 is not less than 0.5m, and in specific operation, the construction can be performed according to the following requirements, the thickness of the protective retaining wall 1 in the backfilling depth range of more than 4m and less than 5m is not less than 0.5m, the thickness of the protective retaining wall 1 in the backfilling depth range of more than 2m and less than 4m is not less than 0.37m, and the thickness of the protective retaining wall 1 in the backfilling depth range of less than 2m is not less than 0.24m;

in order to save construction period, the protective retaining wall 1 is not provided with a reinforced concrete structure and is built by adopting only two materials of solid small bricks and mortar, in order to ensure the structural strength of the protective retaining wall 1, the size of the solid small bricks is not more than 240mm multiplied by 115mm multiplied by 53mm, the strength grade of the solid small bricks is not less than 5MPa, the mortar is cement mortar, and the strength grade of the mortar is not less than 3.5 MPa.

The protective retaining wall 1 provided by the utility model does not adopt a reinforced concrete structure, simplifies the construction process, saves the construction time, improves the construction efficiency, and is particularly suitable for construction conditions that the water content of backfill soil is less than or equal to 15% and the total backfill height in the backfill range of the protective retaining wall 1 is less than or equal to 5m.

In actual construction, the following construction steps and precautions can be referred to,

cleaning other materials on the tower crane foundation 2, and cleaning the surface of the tower crane foundation 2;

applying cement mortar to a stirring station, wherein the strength grade is 3.5MPa;

positioning and paying off, namely determining the position of the protective retaining wall 1 accurately and the angle of the bricks when the bricks are placed, wherein the distance between the two bricks is as follows, the outer side of the protective retaining wall 1 is 30mm, and the inner side of the protective retaining wall 1 is 10mm;

the solid small bricks are dumped, the sizes of the bricks are not more than 240mm multiplied by 115mm multiplied by 53mm, and the strength grade is not lower than 5MPa;

lifting cement mortar, and placing the mortar on a foundation for preparing masonry;

determining a masonry starting point, and respectively performing masonry in two directions of clockwise and anticlockwise, wherein a three-one masonry method and a quincuncial block masonry method are adopted for masonry, the masonry quality is C level, the thickness of a horizontal mortar joint is 10mm, the width of a mortar joint on the outer side of a brick is 30mm, the width of a mortar joint on the inner side is 10mm, the masonry height is not more than 1.5m every day, and two protective retaining walls 1 with different widths are suitable for separate masonry;

when the masonry height is greater than 1.8m, an operation frame needs to be erected, the operation frame needs to be erected and checked and accepted according to a special scheme, and when foot hand holes are reserved on the protective retaining wall 1, the sizes of the foot hand holes are not greater than 150 multiplied by 80mm except that professional requirements are met;

the brick at the topmost layer of the protective wall is built by full-T type bricks;

and (3) retaining the mortar test block in the masonry process, and backfilling earthwork on the outer side of the protective retaining wall 1 after the mortar test block under the same condition meets the specified requirement, wherein the backfilling method is implemented according to a special scheme.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. A simple tower crane body protection retaining wall is characterized in that: including building protection barricade (1) on tower crane foundation (2), protection barricade (1) are cylindricly, and its wall body encloses to establish in tower crane standard festival (3) outside, and its central axis and the central axis collineation of tower crane standard festival (3), and protection barricade (1) divide into a plurality of layers that the thickness is unequal from bottom to top, and the internal diameter of each layer protection barricade (1) equals, and the external diameter of each layer protection barricade (1) reduces from the lower supreme layer by layer.

2. The simple tower crane body protective retaining wall according to claim 1, wherein: the inner diameter size of the protective retaining wall (1) is not smaller than 2.5m, and the clear distance between the protective retaining wall (1) and the tower crane standard section (3) is not smaller than 0.5m.

3. The simple tower crane body protective retaining wall according to claim 1, wherein: the top end of the protective retaining wall (1) exceeds the natural ground (8), and the height of the protective retaining wall (1) exceeding the natural ground (8) is not less than 0.35m.

4. The simple tower crane body protective retaining wall according to claim 1, wherein: the height of the wall body in the backfilling range of the protective retaining wall (1) is not more than 5m, the height of each layer of protective retaining wall (1) is not less than 0.5m, the backfilling depth is not less than 0.5m of the thickness of the protective retaining wall (1) in the range of more than 4m and less than or equal to 5m, the thickness of the protective retaining wall (1) in the range of more than 2m and less than or equal to 4m is not less than 0.37m, and the thickness of the protective retaining wall (1) in the range of less than or equal to 2m is not less than 0.24m.

5. The simple tower crane body protective retaining wall according to claim 1, wherein: the protective retaining wall (1) is built by only adopting two materials of solid small bricks and mortar, the size of the solid small bricks is not more than 240mm multiplied by 115mm multiplied by 53mm, the strength grade of the solid small bricks is not lower than 5MPa, the mortar adopts cement mortar, and the strength grade of the mortar is not lower than 3.5 MPa.

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