By Ravindra K. Dhir, John G. L. Munday
Advances in Concrete Slab expertise records the complaints of the foreign convention on Concrete Slabs held at Dundee college on April 3-6, 1979. This e-book discusses the effect of metal fiber-reinforcement at the shear power of slab-column connections; sulfur-treated concrete slabs; yield line research of orthotropicaly bolstered external panels of flat slab flooring; and behaviour of flat slab/edge column joints. The layout of a number of panel flat slab constructions; structural habit of ground slabs in shear wall structures; shrinkage and cracking of concrete at early a while; and slab building for HAB method modules also are elaborated. this article likewise covers the direct completing of concrete slabs utilizing the early age strength grinding procedure; program of vacuum dewatering to in-situ slab construction; retexturing of concrete slabs; and fatigue resistance of composite precast and in situ concrete flooring. This booklet is an effective reference for college kids and members serious about the practices and study on the subject of slab expertise.
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Extra info for Advances in Concrete Slab Technology. Proceedings of the International Conference on Concrete Slabs Held at Dundee University, 3–6 April 1979
This space may 33 M. Ζ. Tatsa and F. Bljuger 34 -Skin / τ / / / / / / Τ / / / Temporary Supports All Dimensions in mm ο CM 1 1 ^ \ y~ Cast In -Situ > / / / / / / / / / / / / / / / / / / Η Final Slab Figure 1 Skinned Slabs All Dimensions in mm 30. 600 )12- Figure 2 il 501 Λ 600 Ribbed Skin I Proposal for a Ribbed Ferrocement Slab All Dimensions in mm 300 ω 5/5 Figure 3 Ferrocement Plates 1 / / / \ Ribbed Slabs of Ferrocement 35 also be used for various service installations and openings may be cut in the thin ferrocement layer at any stage either during construction or for later repairs.
Hummel. 114, Berlin (1954). C. Teychenne. Proc. First Int. Cong, on Lightweight Concrete, l_, 23-37, London (1968). A. Muriin and C. Wilson. J. Am. Concr. , 49 (9), 21-45 (1952). W. M. C. Turna. J. Am Concr. N. B. Ibrahim. Proc. Inst. Civ. , 56, 635-646 (1973). N. B. L. Anand. Mater. , 8_, 413-423 (1975). EFFECT OF REPEATED DOSAGES OF SUPERPLASTICIZERS ON WORKABILITY, STRENGTH AND DURABILITY OF CONCRETE V. M. Malhotra Head, Construction Materials Section, Canada Centre for Mineral and Energy Technology, Canada ABSTRACT This paper gives results of a laboratory investigation to determine the effect of repeated dosages of superplasticizers on workability, strength and durability of concrete.
On the other hand, the better insulating properties of lightweight concrete could also lead to steeper temperature gradients as well as steeper moisture gradients where one of the surfaces is exposed and covered by black roofing or ashphalt; the resulting stresses will be reduced by the lower elastic modulus but their possible effects could cause structural distress and should be considered at the design stage. There is considerable evidence to show that lightweight concrete can offer an economic alternative to other forms of construction (3, 4 ) .