Expansion Joint Concrete Retaining Wall

The base and the wall is typically discharged.

Expansion joint concrete retaining wall.

Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints. Chapter 9 liquid retaining structures p. Chapter 10 mass concrete p.

Dik structural 1 apr 18 13 42 create contraction joints on the footing located exactly where the contraction joints of the stem are. Expansion joints are provided in every large structure which is subjected to high variation in temperature during its lifetime. This article emphases on need of expansion. They may be vertical and horizontal.

The simplest vertical constru c t i o n joint is formed using a bulkhead b o a r d. Construction joints separate the work of the concrete being poured at different times. Expansion joints are provided in slabs pavements buildings bridges sidewalks railway tracks piping systems ships and other structures. Reinforced concrete retaining wall specifications for expansion joints.

This temperature variation causes expansion and contraction in the structure. Change or is it a random selection of 100 80 90 ft. 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 placed in concrete to prevent expansive cracks formed due to temperature change.

Other constru c tion joints coincide with or function as contraction or expansion joints. Expansion joints are provided to allow th. Details of this butt type con s t r uction joint are shown in figure 4. 9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints.

Typical control joint detail figure 16. S t r uction joint restricts wall move ments and should be as strong as the wall without joints. My question is do we need to calculate the spacing based on the expected temp. Typical expansion joint detail backfill and drainage requirements.