Expansion Joint Concrete Retaining Wall

8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints.

Expansion joint concrete retaining wall.

Construction joints in retaining walls. Typical expansion joint detail backfill and drainage requirements. They may be vertical and horizontal. According to joints in concrete construction aci 2243r code manual movements in the wall can be expected up to 0 5 inches if we space the expansion joints at 100 ft o c.

My question is do we need to calculate the spacing based on the expected temp. Expansion joints are placed in concrete to prevent expansive cracks formed due to temperature change. Expansion joints are provided in every large structure which is subjected to high variation in temperature during its lifetime. Chapter 9 liquid retaining structures p.

The base and the wall is typically discharged. Reinforced concrete retaining wall specifications for expansion joints. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. Details of this butt type con s t r uction joint are shown in figure 4.

Typical control joint detail figure 16. 9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. Dik structural 1 apr 18 13 42 create contraction joints on the footing located exactly where the contraction joints of the stem are. Chapter 10 mass concrete p.

This temperature variation causes expansion and contraction in the structure. Concrete undergoes expansion due to high temperature when in a confined boundary which leads to cracks. The main board construction for retaining walls is the horizontal joint between the footing and the wall shaft of the retaining wall. Expansion joints are provided to allow th.

The simplest vertical constru c t i o n joint is formed using a bulkhead b o a r d. Other constru c tion joints coincide with or function as contraction or expansion joints. Expansion joints are provided in slabs pavements buildings bridges sidewalks railway tracks piping systems ships and other structures. Change or is it a random selection of 100 80 90 ft.