KSIĄŻKI POWIĄZANE ZE SŁOWEM «LAITANCE»
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1
Rock Quality, Seismic Velocity, Attenuation and Anisotropy
5.2 Absence of laitance The laitance is a layer of weak and non-durable material
containing cement and fines from the aggregates, brought through bleed water to
the top of the concrete. If the laitance is not removed prior to overlay placement, ...
2
Contractor's Guide to the Building Code
As just mentioned, ACI 318, Section 6.4 requires you to remove all laitance and
standing water before making joints in concrete. What is laitance and how is it
formed? When there's too much water in the concrete mix, the excess water rises
to ...
3
FCS Concrete Structures L2
The C&CI definition may sound quite difficult, so let's explain the idea of laitance
in a simpler way. You know that laitance is a soupy mixture of cement, fine sand
and water that collects on the surface when wet concrete mixes, especially when
...
Steve Crosswell & Penny Swift, 2009
4
Specifications for Structural Concrete, ACI 301-05, with ...
In-place unit weight, often critical in massive placements to offset hydrostatic uplift
, will be close to that measured for the fresh concrete before placement. If laitance
is entrapped in the concrete, however, unit weight can be significantly below ...
American Concrete Institute, 2005
5
Guide for Concrete Floor and Slab Construction
... particularly at the surface. Such low strengths result from: 1. Too much mixing
water; 2. Use of concrete with too high a w/cm; 3. Excessive slump, which
promotes bleeding and carries softer, lighter-weight material (laitance) to the
surface.
6
Removing Concrete from Bridges
A "sound" surface is one that is free from laitance and has sufficient strength to
resist stress that may be exerted by the repair material (e.g., from shrinkage
during curing or cooling after application) or from structural and environmental
loading.
7
Polyurethane Sealants: Technology & Applications
7.3 The Physical Problem of the Concrete Surface The surface of concrete is
covered with laitance, a chalky dust. This forms a weak and powdery surface
layer. Laitance is defined by the American Concrete Institute as "a layer of weak
and ...
8
Raina'S Field Manual For Highway & Bridge Engineers
Under normal conditions, a thin film of laitance will form on the outer surface of
the tremie concrete, but the formation of excessive quantities of laitance should
be avoided. (i) Closely spaced reinforcing bars will screen the tremie concrete ...
Virindra Kumar Raina, 2007
9
Concrete Technology: Theory and Practice
Where fresh concrete is required to be placed on a previously placed and
hardened concrete, special precautions must be taken to clean the surface of all
foreign matter and remove the laitance or scum before the fresh concrete is
placed.
10
Design and Construction of Joints in Concrete Structures
5.7 PREPARATION OF JOINT SURFACES Surface treatment of the hardened
concrete joint surface is carried out for the following purposes: • to remove
laitance - particularly when the joint is horizontal - where the concrete has to
carry direct ...
M. N. Bussell, R. Cather, 1995
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «LAITANCE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
laitance w wiadomościach.
Hiatus Kaiyote - Choose Your Weapon
laitance. on June 6, 2015. album of the century. Flag Reply. I know music. on June 4, 2015. One of the albums of the year! Flag Reply. Lu. «HipHopDX, Maj 15»
Contribution to the Anthropology of Mushroom Consumption from …
Le quinze septembre 1694, elle intervenait ainsi dans une tourte de crevettes, dans un ragoût de laitance ou dans la sauce accompagnant une loubine ... «Revues.org, Maj 13»
Flexflooring Throws Some Shapes on the Floor!
... Flexflooring diamond ground the new concrete pad to remove any laitance and create a strong key for Rubbaflex Safety Surfacing to bond to. «Specification Online, Maj 12»
Pierre & Vacances s'agrandità Avoriaz
Une centrale à béton rejetant toute la laitance du béton dans la nature sans aucune vergogne. Un paysage massacré , une architecture ... «Le Figaro, Wrz 11»
Home improvements: Could my neighbour's trees damage my house?
This is known in the trade as “laitance”, and can be tested for by scraping the edge of a coin across the surface to see if this produces a fine ... «Telegraph.co.uk, Kwi 11»
Pump Baseplates and Installation can impact Pump Reliability
Irrespective of baseplate style, correct preparation of the top of the concrete foundation will have long-term reliability implications and is important. The laitance ... «Water World, Lis 10»
Delfina Delettrez, planète zarbi(joux)
Les bracelets de monstres marins ou terriens rares, sont éventrés laissant voir toute leur laitance blanche et leurs oeufs perlés de nacre , un ... «Le Figaro, Mar 10»
