Shrinkage crack

shrinkage crack

[′shriŋ·kij ‚krak]
(geology)
A small crack produced in fine-grained sediment or rock by the loss of contained water during drying or dehydration.
(metallurgy)
An irregular interdendritic crack in a casting caused by unequal contraction or inadequate feeding.

Shrinkage crack

A rift that appears in the surface of building materials such as concrete, masonry, and mortar joints, due to shrinkage.

shrinkage crack

A crack due to restraint of shrinkage.
References in periodicals archive ?
QI have a shrinkage crack at the front of my house and have tried to repair it with white mastic but it does not blend in with the white render.
Plummer and Gostin (1981) studied many examples of mudcracks and synaeresis cracks from the rock record and in laboratory experiments and concluded that no single feature of any shrinkage crack is useful in differentiating between the two.
The model to be proposed is based on the previous modelling of vertical (Chertkov and Ravina 1998) and horizontal (Chertkov and Ravina 1999a, 1999b) shrinkage crack networks in swelling soils.
Company also offers macrosynthetic and microsynthetic fiber blends that provide both post-first crack reinforcement and plastic shrinkage crack and drying shrinkage crack reinforcement.
Available in various sizes and lengths of monofilament and fibrillated polypropylene, monofilament polyester and nylon, PSI Fiberstrand is used for plastic shrinkage crack control and suited to secondary reinforcing for slabs and precast.
Thus, the demand to reduce shrinkage cracks in reinforced concrete structures has increased in recent years [1-3].
If you get the workmanship or sequence wrong you will create shrinkage cracks, and ultimately have a leaky pool.
For example, in most new builds and extensions it is common to see shrinkage cracks around windows and doors and at wall and ceiling junctions which are often associated with the drying out of new building materials.
Subaqueously formed shrinkage cracks in clay, Journal of Sedimentary Research 35(2): 348-353.
That means you can fill a deep crater or even rebuild a missing part without shrinkage cracks or adding layers of filler.
According to observations on experimental buildings, any shrinkage cracks which are commonly seen on the buildings constructed with adobe were not observed.
While their high nutrient content and water-holding capacity otter favourable conditions for agriculture, the formation of shrinkage cracks during drying intensifies the consequences of suboptimal irrigation scheduling.