1. Chapter 6 Wall Material

2. Introduction Small-size Hollow Block Fly Ash and Silicate Medium- size Block §6.3 Wall Blocks

3. Blocks are kinds of newly developed wall material. Block size is larger than that of brick so that it is more convenient and can improve its efficiency and the functions of the wall. Wall Blocks Introduction

4.  It shapes mostly as corner cube prism with a few varied.  The minimums of length, width and thickness of the block are 365mm, 240mm and 115mm respectively.  Of the three, at least one standards must be accorded with, with the thickness no more than six times of length or width and length, no more than three times of thickness. Wall Blocks Introduction

5. It can be classified into the following three types by size shown in the flash. Introduction

6. by voidage Hollow Block Solid Block The voidage is 30-50% Classifications It can be classified into the following two types by voidage: hollow block and solid block Introduction

7. by raw material and craftwork Cement Concrete Block Fly Ash Concrete Block Plaster Block Porous Block Sintered Block It can be classified into the following types by raw materials and craftwork: cement concrete block, fly ash concrete block, plaster block, porous block and sintered block. Classifications Introduction

8. Small-size Hollow Block Fly Ash and Silicate Medium-size Block This section mainly concerns with: small-size hollow block and fly ash, silicate and medium-size block Introduction