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(Foam concrete used as sound-absorbing and energy-absorbing material) Sound-absorption function The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material. …
(Experimental study on foam concrete as subgrade filler for ballastless track of high-speed railway) Controlling the settlement of ballastless track subgrade in special soils is a scientific problem that has always existed…
(Foam concrete used as thermal insulation material) Foam concrete contains a large number of closed pores, the air in the pores is a good adiabatic medium, which can cut off the heat…
(Construction steps of foam concrete) Preparation 1. To ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be…
(Advantages of foam concrete over polystyrene thermal insulation materials) Styrofoam is less and less used in the field of thermal insulation materials, and it is gradually replaced by foamed concrete (or foamed…
(Why does concrete bleed water and how to solve it?) The phenomenon of aggregate sinking and water floating will occur in the process of transportation, vibration and pumping of concrete. Slight secretion…
(Influence of Water Absorption of Foam Concrete on Project Quality) As a lightweight thermal insulation material, foamed concrete has been widely used in construction projects. Some problems have also occurred during its…
(How to use various concrete additives?) Self-leveling regulating water-retaining agent Dry and large flow concrete is used to solve the problems of unreasonable gradation of sand and stone, excessive stone powder, machine-made…
(What problems should be paid attention to when using polycarboxylate water reducer for concrete of C30 and below) What is Polycarboxylate superplasticizer? Polycarboxylate superplasticizer has more advantages than traditional naphthalene series and aliphatic…
(3-12 Kinds of Concrete Additives Used in Refractory Castable, Plastic and Ramming Materials (3)) The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous…
(2-12 Kinds of Concrete Additives Used in Refractory Castable, Plastic and Ramming Materials(2)) The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous refractories…
(1-12 Kinds of Concrete Additives Used in Refractory Castable, Plastic and Ramming Materials(1)) The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous refractories…