This book reports the results of an investigation done on assessing the effect of Waste Paper Sludge Ash (WPSA) as additive in cement mortar. WPSA from paper mill is used as partial replacement of ordinary Portland cement in mortar. The study involves four replacement levels of WPSA into OPC at 5%, 10%, 15% and 20%. Tests were conducted to explore the characteristics and properties of WPSA in mortar at fresh and hardened states. The mortar cubes were cast and were cured for 7 days, 14 days and 28 days to explore the strength development of the mortar. It is concluded that addition of WPSA at 5 percent of cement helps the mortar to achieve the higher compressive strength at 7 curing days. Use of WPSA is feasible to be used as an additive in mortar and would help to increase the compressive strength of mortar at early stage.
Sivakumar Naganathan Book order


- 2015
- 2012
Learn Yourself STAAD.Pro V8i
Structural Analysis and Design using STAAD.Pro V8i
- 368 pages
- 13 hours of reading
Focusing on the practical application of STAAD.Pro V8i, this guide offers a comprehensive understanding of the software tailored for civil and structural engineering students and professionals. It covers essential topics such as model generation, loading specifications, analysis methods, and design according to Euro and BS codes. Each chapter features step-by-step solved problems, review exercises, and helpful screenshots. Additionally, the appendix includes keyboard shortcuts for frequently used commands, enhancing usability and learning efficiency.