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Novel prestressed concrete rectangular bin

A concrete and prestressing technology, applied in the field of new prestressed concrete rectangular silos, can solve the problems of unsatisfactory actual effect, long overlapping length of steel bars, large diameter of steel bars, etc., and achieve high engineering application value, improved bearing capacity, and even force effect

Pending Publication Date: 2021-01-26
HUATIAN ENG & TECH CORP MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This directly leads to the stress of the silo and the crack control of the silo wall becoming a very prominent problem
Especially for ordinary concrete rectangular silos, in the past, the crack control requirements were met by increasing the concrete strength grade and adding steel bars on the silo wall, but the actual effect was not ideal and the cost was very high
At the same time, due to the large diameter and dense spacing of the steel bars, the overlapping length of the steel bars is also long, which makes the construction very inconvenient

Method used

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  • Novel prestressed concrete rectangular bin
  • Novel prestressed concrete rectangular bin
  • Novel prestressed concrete rectangular bin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] from Figure 1-3 It can be seen that a novel prestressed concrete rectangular silo in this embodiment comprises a concrete silo body 1 and horizontal steel bars and longitudinal steel bars positioned inside the concrete silo body 1, the four corners of the concrete silo body 1 are rounded corners 3, and the horizontal The corner corresponding to the rounded corner 3 of the steel bar and the concrete bin body 1 is an arc corner.

[0029] The curved corners of the horizontal bars are 90 degree rounded.

[0030] The dimensions of the four rounded corners 3 of the concrete bin body 1 are the same, and the thickness of the concrete layer of the outermost steel bar of the concrete bin body 1 is not less than 50 mm.

[0031] The horizontal reinforcement includes prestressed horizontal reinforcement 21 and non-prestressed horizontal reinforcement 22 , and the longitudinal reinforcement includes prestressed longitudinal reinforcement 23 and non-prestressed longitudinal reinforc...

Embodiment 2

[0038] from Figure 4 It can be seen that on the basis of Embodiment 1, the rectangular warehouse of this embodiment also has the following characteristics: the rectangular warehouse in this embodiment is a rectangular warehouse, and the prestressed longitudinal steel bars 23 are symmetrically arranged at the corners of the rectangular warehouse, and the middle part of the warehouse wall is symmetrical. Arrange non-prestressed longitudinal reinforcement 24, arrange prestressed horizontal reinforcement 21 and non-prestressed reinforcement 22 around the warehouse wall, and divide it into an encrypted area and a non-encrypted area in the longitudinal direction, and the encrypted area is located within the bottom 1 / 3 of the warehouse body.

Embodiment 3

[0040] from Figure 5 It can be seen that on the basis of Embodiment 1, the rectangular warehouse of this embodiment also has the following characteristics: the rectangular warehouse in this embodiment is a conjoined double warehouse, the prestressed longitudinal steel bars 23 are arranged symmetrically at the corners of the warehouse, and the middle part of the warehouse wall Non-prestressed longitudinal steel bars 24 are symmetrically arranged, and prestressed horizontal bars 21 and non-prestressed steel bars 22 are arranged around the warehouse wall, which are divided into densified and non-densified areas in the longitudinal direction, and the densified area is located within the bottom 1 / 3 of the warehouse body.

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Abstract

The invention discloses a novel prestressed concrete rectangular bin, and belongs to the technical field of concrete bins. The bin comprises a concrete bin body, horizontal reinforcing steel bars andlongitudinal reinforcing steel bars, wherein the horizontal reinforcing steel bars and the longitudinal reinforcing steel bars are located in the concrete bin body, the four corners of the concrete bin body are round corners, and the corners, corresponding to the round corners of the concrete bin body, of the horizontal reinforcing steel bars are arc-shaped corners. The concrete bin body has the advantages of being reasonable in structure, even in stress, good in cooperative work performance, capable of improving bearing capacity and the like, is large in application range, has the advantagessuperior to a traditional structural system, is rapid, simple, convenient and economical in construction and has high engineering application value, the four corners of the concrete bin body are roundcorners, compared with a concrete prefabricated bin with right-angled corners, the concrete compactness is higher when the corners are round corners, the concrete bin body is a rectangular bin and comprises both a square bin and a rectangular bin, and the application range is wider.

Description

technical field [0001] The invention relates to the technical field of concrete silos, and more specifically relates to a novel prestressed concrete rectangular silo. Background technique [0002] In practical applications, silos with circular or rectangular cross-sections are often used to store bulk materials. Due to the needs of large-scale production, the diameter, height and capacity of silos are constantly increasing. This directly leads to the stress on the silo and the crack control of the silo wall becoming very prominent problems. Especially for ordinary concrete rectangular silos, in the past, the crack control requirements were met by increasing the concrete strength grade and adding steel bars on the silo wall, but the actual effect was not ideal and the cost was very high. At the same time, due to the large diameter and dense spacing of the steel bars, the overlapping length of the steel bars is also long, which makes the construction very inconvenient. Con...

Claims

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Application Information

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IPC IPC(8): E04H7/26
CPCE04H7/26
Inventor 张莹陈超陈祥勇
Owner HUATIAN ENG & TECH CORP MCC