期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 37, 期 -, 页码 841-850出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2012.07.082
关键词
Sewage pipe; Jute fibre reinforcement; Concrete; Three-edge-bearing test; Hydrostatic test
资金
- National Jute Board (NJB), Govt. of India
- Council of Scientific & Industrial Research (CSIR), Govt. of India
To improve the load bearing capacity of underground sewage pipe, we have formulated a concrete mix using chemically-modified jute fibre (reinforcing agent), polymer latex (surface modifier both for fibre and matrix) and tannin (water reducing admixture). As compared to commercial non-pressure grade pipes (NP3 type), significant strength improvement, under three-edge-bearing test (similar to 129.4%), is achieved in the pipes made using the modified concrete mix. NP3 pipes made using this modified concrete exhibit similar mechanical properties to that of NP4 pipes resulting an effective reduction of 31.6 wt% of steel used for reinforcement in NP4 pipes. (C) 2012 Elsevier Ltd. All rights reserved.
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