Installation Method Of Prestressed Anchor
Release time:
2021-06-03
Nowadays, anchors are used in many engineering construction processes. So, do you know how to install anchors? So today I will tell you how to install the anchors?
Nowadays, anchors are used in many engineering construction processes. So, do you know how to install anchors? So today I will tell you how to install the anchors?
The installation methods of anchors are roughly divided into two types, one is the simple construction method, and the other is the general anchor installation method.
Simple construction method, also known as prestressed anchorage construction and installation method, belongs to small anchorage construction and installation. It is a simple construction and simple construction that can be used for simple construction and simple construction with a diameter of 28-75mm and a cylindrical shape of 1～Sm in the rock that is being anchored and installed. Pneumatic drill or manual installation, and then charge explosives in simple construction. Simple construction method can be used to excavate foundation pits, mine stone, loose frozen soil, etc. However, the amount of anchor installation is small, the efficiency is low, and the drilling workload is large. .
The layout of simple construction should make use of the terrain with more empty surfaces as much as possible; the simple construction direction should be as parallel to the empty surface as possible. Avoid being perpendicular to the empty surface, so as to prevent the destructive force from developing towards the smallest resistance line when the explosive explodes. The amount of medicine package can be calculated according to the loose medicine package. In order to prevent the emergence of a cupola, the charge is roughly the depth of the blast hole.
The general method of anchorage construction and installation is to put a small amount of explosive at the bottom of the blast hole, and expand into a spherical shape after several anchorage construction and installation, and then install explosives for the anchorage construction and installation. Compared with the blast hole anchor construction and installation method, this method has the advantages of good anchor construction and installation effect, high work efficiency, fast progress, and low explosive consumption. This method is often used in the construction and installation of short pile anchors on shallow foundations.
I believe that after the editor's explanation, everyone should have a certain understanding of how to use anchors.
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