By Viktor Mechtcherine (auth.), Viktor Mechtcherine, Hans-Wolf Reinhardt (eds.)

ISBN-10: 9400727321

ISBN-13: 9789400727328

This is the cutting-edge record ready by way of the RILEM TC “Application of great Absorbent Polymers (SAP) in concrete construction”. It provides a accomplished assessment of the houses of SAP, particular water absorption and desorption behaviour of SAP in clean and hardening concrete, results of the SAP addition on rheological homes of unpolluted concrete, alterations of cement paste microstructure and mechanical homes of concrete. moreover, the main benefits of utilizing SAP are defined intimately: the power of this fabric to behave as an inner curing agent to mitigate autogenous shrinkage of high-performance concrete, the chance to take advantage of SAP instead to air-entrainment brokers as a way to raise the frost resistance of concrete, and eventually, the advantage of steerage the rheology of unpolluted cement-based fabrics. the ultimate bankruptcy describes the 1st current and diverse potential purposes for this new concrete additive.

Show description

Read Online or Download Application of Super Absorbent Polymers (SAP) in Concrete Construction: State-of-the-Art Report Prepared by Technical Committee 225-SAP PDF

Best technical books

Download e-book for kindle: Titanic's Last Secrets: The Further Adventures of Shadow by Brad Matsen

After rewriting heritage with their discovery of a Nazi U-boat off the coast of latest Jersey, mythical divers John Chatterton and Richie Kohler determined to enquire the nice enduring secret of history's so much infamous shipwreck: Why did enormous sink as quick because it did?

To resolution the query, Chatterton and Kohler gather a crew of specialists to discover enormous, research its engineering, and dive to the spoil of its sister send, Brittanic, the place Titanic's final secrets and techniques might be revealed.

Titanic's final secrets and techniques is a rollercoaster experience during the shipbuilding historical past, the transatlantic luxurious liner enterprise, and shipwreck forensics. Chatterton and Kohler weave their approach via a labyrinth of clues to find that mammoth was once no longer the powerful, heroic send the realm concept she used to be and that the lads who equipped her lined up her flaws whilst catastrophe struck. If immense had remained afloat for simply hours longer than she did, greater than thousand humans may have lived rather than died, and the parable of the nice send will be one among rescue rather than tragedy.

Titanic's final secrets and techniques is the never-before-told tale of the send of desires, a latest event that solves a ancient secret.

100 Linux Tips and Tricks by Patrick Lambert PDF

Convenient linux instructions to aid any approach administrator

Read e-book online Fundamentals of agile project management : an overview PDF

This is often the 7th publication within the Technical Manager's Survival publications sequence. during this quantity, the authors introduce readers to agile equipment for handling tasks. Agile tools were round for it slow, yet their incidence has elevated because the results of many profitable tasks in agencies that experience utilized them.

Additional resources for Application of Super Absorbent Polymers (SAP) in Concrete Construction: State-of-the-Art Report Prepared by Technical Committee 225-SAP

Sample text

Mater Struct 39: 861–868 [28] Henkensiefken R, Nantung T, Weiss J (2011) Saturated Lightweight Aggregate for Internal Curing in Low w/c Mixtures: Monitoring Water Movement Using X-ray Absorption. Strain 47(s1): e432–e441 [29] Trtik P, Münch B, Weiss WJ, Kaestner A, Jerjen I, Josic L, Lehmann E, Lura P (2011) Release of internal curing water from lightweight aggregates in cement paste investigated by neutron and X-ray tomography. Nucl Instrum Methods Phys Res A: Accelerators, Spectrometers, Detectors and Associated Equipment 651(1): 244–249 [30] Bentz DP, Halleck PM, Grader AS, Roberts JW (2006) Four-Dimensional X-ray Microtomography Study of Water Movement during Internal Curing.

2 1 0 0 0 5 10 15 20 25 t [hours] Fig. 3 for samples with internal curing by SAP (SAP paste) and for a reference sample (Ref paste). Data from Figure 11 in [21] water inside the SAP decreases almost in parallel with the decrease of the water relaxation time in the cement matrix, while the decrease in the amplitude of the total water signal is still minimal. This may indicate that the water drainage from the SAP is mainly forced by the increase of capillary suction of the matrix which results from the increasing surface-to-volume (S/V) ratio.

Constr Build Mat 23(2): 1141–1146 [12] Johansen NA, Millard MJ, Mezencevova A, Garas VY (2009) New method for determination of absorption capacity of internal curing agents. Cem Concr Res 39(1): 65–68 [13] Lura P, Durand F, Loukili A, Kovler K, Jensen OM (2006) Compressive strength of cement pastes and mortars with superabsorbent polymers. Int. RILEM Conf. Volume Changes of Hardening Concrete, 20-23 August, (Lyngby, Denmark), PRO 52, eds. Jensen, Lura and Kovler, 117–126 [14] Jensen OM (2005) Autogenous Phenomena in Cement-Based Materials, Department of Building Technology and Structural Engineering, Aalborg University, ISBN 87-91606-00-4, 188 pp [15] Mechtcherine V, Dudziak L, Schulze J, Stähr H (2006) Internal curing by Super Absorbent Polymers – Effects on material properties of self-compacting fibre-reinforced high performance concrete.

Download PDF sample

Application of Super Absorbent Polymers (SAP) in Concrete Construction: State-of-the-Art Report Prepared by Technical Committee 225-SAP by Viktor Mechtcherine (auth.), Viktor Mechtcherine, Hans-Wolf Reinhardt (eds.)

by Thomas

Rated 4.48 of 5 – based on 25 votes