CN2697187Y

CN2697187Y - Support block for accurately controlling reinforced bar position

Info

Publication number: CN2697187Y
Application number: CN 03203081
Authority: CN
Inventors: 杨力列; 杨力中
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-08
Filing date: 2003-02-08
Publication date: 2005-05-04
Anticipated expiration: 2013-02-08

Abstract

The utility model discloses a support block for accurately controlling reinforced bar position. The utility model is a platform body made of the concrete, and the strength of the utility model is greater than or equal to C 40. The top of the platform body is a flat mouth, or a notch which is used for placing the reinforced bar, or a step. The top of the utility model is a support block. The platform body is pre-embedded with the iron wire which is used for binding the reinforced bar or the supporting rib which is used for supporting the reinforced bar. As for the reinforced bar generating the perpendicular displacement, the utility model can be installed on the bottom or the crossing point of the reinforced bar. As the strength of the platform body is high, the utility model is not easily crushed, and the utility model can protect the reinforced bar from generating the perpendicular displacement in the casting process. Compared with the prior art, the utility model has the advantages of low cost, easy producing, convenient installation, etc. The utility model can exactly control the position of the reinforced bar not to generate the perpendicular displacement when in concrete casting.

Description

Accurately control the cushion block of reinforcement location

Technical field:

The utility model relates in a kind of placing of concrete process, accurately controls the cushion block of reinforcement location.

Background technology:

In construction work, the reinforced bar engineering of concrete structure belongs to concealed work, is the quality control on construction emphasis.And reinforced bar engineering has a large capacity and a wide range; engineering is often arranged because of not takeing effective measures; bad to reinforcing bar position control; in the concrete casting process, make the position of steel bar stress produce skew; thickness of protection tier inequality after causing watering, blocked up or thin excessively, do not reach the requirement of national construction quality standards of acceptance; even the surperficial reinforcing bar that concrete structure can occur exposes the situation of getting rusty, and makes bearing capacity, durability and the fireproof performance of concrete structure be subjected to grievous injury.

Summary of the invention:

The purpose of this utility model is, a kind of cushion block of accurate control reinforcement location is provided.Can accurately control the position of steel bar stress, make the concrete structure of pouring reach the requirement of construction quality standards of acceptance, to overcome the deficiencies in the prior art.

The utility model is to constitute like this, and a kind of cushion block of accurate control reinforcement location is characterized in that: the stage body 1 that it is made for concrete, its intensity 〉=C40; The top of stage body 1 is for flat mouthful or be provided with notch 2 or the step 4 that the placement reinforcing bar is used; The top is flat mouthful cushion block, is embedded with the support muscle 5 that iron wire 3 that assembling reinforcement uses or bearing bar are used in the stage body 1.

Reinforcing bar for meeting generation vertical displacement; the utility model can be installed on the bottom and crosspoint of reinforcing bar; because the intensity height of stage body; be difficult for crushed; in the pouring process, can protect steel bar stress that vertical displacement does not take place; therefore compare with prior art, the utlity model has advantages such as with low cost, that making is simple, easy for installation, reinforcing bar position does not produce vertical displacement in the time of can controlling concrete casting accurately.

Description of drawings:

Accompanying drawing 1 is an organigram one of the present utility model;

Accompanying drawing 2 is an organigram two of the present utility model;

Accompanying drawing 3 is an organigram three of the present utility model;

Accompanying drawing 4 is an organigram four of the present utility model;

Accompanying drawing 5 is used for the application state schematic diagram of the reinforcement location control of beam for the utility model;

Accompanying drawing 6 is used for the application state schematic diagram of the reinforcement location control of plate for the utility model.

The specific embodiment

Embodiment.Accurately the cushion block of control reinforcement location is to adopt cement, rubble and water to produce stage body 1, and stage body 1 can be short column bodies such as cube, cuboid, cylinder, polygon prismoid, its intensity 〉=C40.The top of stage body 1 is for flat mouthful or be provided with notch 2 or the step 4 that the placement reinforcing bar is used; The top is flat mouthful cushion block, and stage body 1 planted agent is embedded with the support muscle 5 that iron wire 3 that assembling reinforcement uses or bearing bar are used; The cushion block of notch 2 or step 4 is arranged at the top, also can be embedded with the support muscle 5 that iron wire 3 that assembling reinforcement uses or bearing bar are used in the stage body 1, to satisfy different construction needs.What Fig. 1～Fig. 4 represented is the organigram of several ways of realization of the present utility model.

The utility model is mainly used in the displacement on the control reinforcing bar vertical direction, can cooperate other products to use together, reaches the effective control to the various displacements of reinforcing bar.

The product of production control reinforcement location.This product usefulness cement, plastics, three kinds of main materials of reinforcing bar are through factory, usefulness special equipment and mould manufacturing.

The cushion block of the accurate control reinforcement location made from cement and sand, rubble etc., external form is short column bodies such as cube, cuboid, cylinder, polygon prismoid (is difficult for crushed or fracture), and its surface is divided into or do not have notch, step, pre-buried tie wire (zinc-plated) etc. are multiple.Intensity 〉=the C40 of concrete pad (than the high one-level of design).Accurately the physical dimension of the cushion block of control reinforcement location can be divided into high and low cushion block according to the decision of reinforcement location needs, low cushion block height 15mm～50mm, high cushion block height＞50mm.

Plastic cushion made of plastic, fixture block are seen existing patent " the universal cushion block of reinforced concrete protective layer " application number 01276357.8.Can control the horizontal movement of reinforcing bar, plastic cushion, fixture block have plurality of specifications, are fit to multiple bar diameter and protective layer thickness.

Reinforcing bar support muscle or card muscle with reinforcing bar is made also have the reinforcing bar ladder, all can be in factory or building site processing.

Accurately control the construction technology of reinforcement location: in the concrete casting process; steel bar stress can be to vertical direction and horizontal direction displacement; as long as limit the motion of steel bar stress in vertical and horizontal direction; and in reinforcing bar and concrete construction; the cage of reinforcement good to colligation carries out finished product protection, just can guarantee the accuracy of steel bar stress position.

The control of reinforcing bar vertical displacement: to the beam of meeting generation vertical displacement, the level of plate (tiltedly putting) reinforcing bar (top reinforcement that contains beam, plate), with low cushion block of the present utility model, high cushion block, reinforcing bar support muscle, be installed in by two-way spacing @≤700mm under the beneath or crosspoint of steel bar stress.Reinforcement location is accurately controlled.The beam steel internal frame big to weight, the low cushion block of concrete is installed by level interval=300～500mm; To plate, when bar diameter≤10mm, install by two-way spacing @≤500mm.The intensity height of coagulation cushion block, to bear the vertical load ability strong, is difficult for crushed.

The control of reinforcing bar horizontal movement: to the vertical reinforcing bar of the beam of meeting occurred level displacement, post, body of wall, (body of wall supports muscle, card muscle or reinforcing bar ladder with reinforcing bar with plastic cushion, fixture block, (card) is installed on the steel bar stress or near the justice fork colligation point (the reinforcing bar ladder is installed by level interval @≤1400mm) by two-way spacing @≤700mm, reinforcement location is accurately controlled.Plastic cushion, fixture block are easy for installation, and formwork, the Shi Buhui that vibrates get loose, and the control reinforcing bar position is effective.

Cage of reinforcement is carried out finished product protection.Reinforced bar engineering often because of people's the gross distortion of trampling, directly endangers the concrete structure engineering quality in work progresss such as installation and concrete casting.Should take following finished product protection technical measures:

(1) carrying out the measure of finished product resist technology tells somebody what one's real intentions are: when personnel walk on the only accurate cushion block that steps down in high and low accurate control reinforcement location of pin (accurately control the two-way spacing≤700mm of the cushion block of reinforcement location, meet People's Bank of China's step pitch and require); Or walk on the special aisle of setting up and on the beam steel skeleton.

(2) set up concrete transportation aisle or pumping of concrete pipeline, do not allow the steel bar stress displacement deformation in the erection process.Be preferably in concrete placing boom or cloth tower are installed on the floor of construction, concrete directly is pumped into to water smashes the position, reduce to scrape and draw concrete and make reinforcing bar displacement situation.

Special messenger's follow-up investigations are arranged in (3) the concrete casting process and set upright reinforcing bar.

Claims

1, a kind of cushion block of accurate control reinforcement location is characterized in that: the stage body that it is made for concrete (1), its intensity 〉=C40; The top of stage body (1) is for flat mouthful or be provided with notch (2) or the step (4) that the placement reinforcing bar is used; The top is flat mouthful cushion block, is embedded with the support muscle (5) that iron wire (3) that assembling reinforcement uses or bearing bar are used in the stage body (1).