Geocomposite drians for structures and tunnel applications
Authors
Citation
Asian Architect & Contractor, v.28, no.8, 1999, pp. 32-35
Abstract
(1) Fundamentals of Geocomposite drains
(a) Drainage core
(b) Geotextile filter / separator
(i) The geotextiles currently used fall into four moain categories.
(ii) Woven
(iii) Non woven needle punched
(iv) Non woven needle punched heat treated
(v) Non woven heat treated
(c) Method of joining textile and core
(2) Design strength
(3) Design flow
(4) Test methods
(a) Short term compressive strength ASTM 1621 (Index) - core only
(b) Compressive creep properities BS ISO 13432 (Index) - core only
(c) In-plance water flow BS 6906(7) (Performance) - core, textile, bond
(d) Geotextile permeability BS 6906(3)
(e) Geotextile pore size BS 6906(2) (Index) - textile
(5) Comparison with crushed stone drains
(6) Tunnel drainage
(a) Temporary inflow drainage
(b) Water pressure relief and lining protection
(c) Tunnel floor drainage
(7) Conclusion
Description
Subject
Type
Article
Format
Date
1999
Language
en