By Sidney Mindess
This booklet offers a unified view of concrete habit in mild of a physique of chemical and actual ideas. It offers the main up to date info on hand on new concrete fabrics. the main up to date details on new concrete fabrics. SI devices used as fundamental procedure, preserving readers present to the unit approach being followed within the usa. most modern ASTM requirements are integrated. routines on the finish of every bankruptcy. an outstanding source for pros during this undefined.
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Extra info for Concrete (2nd Edition)
1 INTRODUCTION Twill weaves are the weaves that find a wide range of application. They can be constructed in a variety of ways. The main feature of these weaves that distinguishes from other types is the presence of pronounced diagonal lines that run along the width of the fabric. The basic characteristics of twill weaves are : (i) They form diagonal lines from one selvedge to another. (ii) More ends per unit area and picks per unit area than plain cloth. (iii) Less binding points than plain cloth (iv) Better cover than plain weave (v) More cloth thickness and mass per unit area.
A C B F F F F X X X X X X X X C C F F F F X X X X X X X X C 6 5 4 D3 2 1 X X X X X X X X C 3 1 2 4 Fig. 1. X X X X X X X X X X X X X X X X 4 3 2 1 E F Construction of plain faced Bedford cord on a pair of picks 52 Fabric Structure and Design In Fig. 1 A, is shown the repeat size of the Bedford cord. The repeat is split into cutting ends and face ends. The cutting ends weave plain and the face ends weave the cord. In Fig. A the insertion of the cutting ends are shown in the figure B, the insertion of the face ends are shown.
These weaves form ridges and hollows which give a cell like appearance to the textures. Both warp and weft threads float somewhat on both sides, which coupled with the rough structure, renders this class of fabric readily absorbent of moisture. The weaves are of two classes, namely, (i) Ordinary honey comb or honey comb proper (ii) Brighton honey comb. 2 ORDINARY HONEY COMB WEAVES These weaves are characterized by the following features (a) (b) (c) (d) (e) (f) Cell like appearance with ridges and hollows Single line crossing a single line or double line crossing a double diagonal line More warp and weft floats Moisture absorbent due to floats Constructed with pointed drafts A reversible fabric having similar effect on both sides.
Concrete (2nd Edition) by Sidney Mindess