A cementitious composite for in-situ hydration includes a first layer, a second layer, a cementitious mixture including cementitious material positioned between the first layer and the second layer, and a structure layer positioned between the first layer and the second layer. The cementitious mixture comprises a majority of a volume between the first layer and the second layer.

Adding a small amount of lightweight course aggregate to a normal weight concrete mix to produce a clean, rough top surface so that manual or mechanical roughing of the top surface is not necessary. The lightweight course aggregate will float to the surface, and make a rough surface so that the bond and shear resistance of the interface (cold joint) between previously placed and newly placed concrete will be as strong as a manually roughened joint.

The invention relates to a method for providing a sports flooring, in particular a clay court, a sand court or an ash court. The sports flooring comprising a top layer arranged above a dynamic layer. The method comprising i. providing a dynamic layer comprising a mixture of lava particles and/or limestone particles and/or clinker particles, and microporous zeolite mineral particles, wherein the microporous zeolite mineral particles are present in the amount of 4% to 65% of the total mass of the dynamic layer and wherein the grain size of the microporous zeolite mineral particles is between 0.4 mm and 12 mm, and ii. applying a top layer on top of the dynamic layer.

A composite fireproof board easy for processing, splicing and installation is disclosed. The structure thereof includes, from top to bottom, a bottom layer, a lower reinforcement mesh layer, a middle layer, an upper reinforcement mesh layer, and a surface layer. The middle layer includes an organic frame and an inorganic fireproof material filled within the frame. The frame is provided with fixed grooves on edges adjacent to the fireproof material, and is further provided with through holes. A preparation method of the composite material fireproof board is also disclosed. The present invention adopts the inorganic material as a major material of the board, which has good fireproof performance and waterproof performance, is capable of phase-change energy storage, and achieves high stability and strength. The organic frame disposed on the periphery of the inorganic material enables the board to have good processability. Providing fixed grooves and through holes on the frame can achieve a firmer combination between the fireproof material and the frame, and prevent the frame from stripping off or cracking. Covering a reinforcement mesh layer and a thin-bedded inorganic material above and below the middle layer can increase the tenacity and strength, prevent cracking at the joint, and achieve a fireproof effect.

The present invention deals with development of a novel process for manufacturing moisture resistant glossy finish hybrid green polymeric composites with variable density in range of 0.2-1.68 g/cc, low water/moisture absorption in the range of 0.1-1.3%, tensile strength and tensile modulus in range of 6.5-105 MPa and 250-6850 MPa, respectively and to the best of our knowledge the fabricated hybrid green composites has not yet developed universally using different types of industrial wastes particulates. Moreover, hybrid composites developed using industrial wastes, natural fibres and epoxy/polyester/polyurethane polymers is a unique materials and have multifunctional applications in wider spectrum as an alternative to wood, synthetic wood, wood plastic composites, screen printing sheet, plastic, fibre and glass reinforced polymer products, including tin sheet.

A composite ultra-high performance porcelain concrete includes cement in an amount between 500 and 680 kg/m.sup.3; and porcelain sand in an amount between 500 and 1200 kg/m.sup.3. The porcelain sand replaces a portion of cement which would normally be needed, thereby reducing environmental impact of the cement, and also creating a beneficial use for waste porcelain source material. The disclosure also relates to a method for producing thin-walled composites CA-UHPPC facade panels and elements for building envelopes.

A multi-zone cementitious product, which includes a base zone made of a first cementitious material composition and forming a portion of the product. At least one facing zone is adjacent to and bonded to the base zone, the facing zone made of a second cementitious material composition and forming at least one exterior face of said product which is visible when the product is installed. A disrupted boundary layer is between the facing zone and the base zone, and includes material from both the facing zone and the base zone. The disrupted boundary layer bonds the facing zone to the base zone. The facing zone has a thickness sufficient to prevent the base zone from being visible when the product is installed.

A method to make an ultra-stable structural laminate of a cementitious material with a nano-molecular veneer and a foam component catalytically reacted into an expanded closed cell foam having a thickness from .sup.th inch to 8 inches, a density from 1.5 pounds/cubic foot to 3 pounds/cubic foot that inter-engages the cementitious material forming a matrix creating the ultra-stable structural laminate with fire resistance; a lateral nail pull strength from 44 pounds to 300 pounds of force; an insulation R value from 1 to 40; a resistance to seismic impact for earthquakes over 3.1 on the Richter Scale; a break point from 7 lbs/inch to 100 lbs/inch; and a resistance to wind shear equivalent to a 15 mph downburst.

A method of constructing a space construction has a preparing step, a first mixing step, a second mixing step, a matrix layer building step, a three-dimensional fiber webs paving step, and a gamma ray screening layer building step. Prepare an agitator, a strengthening material, a composite material, multiple three-dimensional fiber webs, and multiple gamma ray screening elements. Mix the strengthening material and the composite material to form a first building material. Mix the multiple gamma ray screening elements and soil on a planet to form a second building material. Build at least one matrix layer with the first building material. Pave two three-dimensional fiber webs on the at least one matrix layer. Build at least one gamma ray screening layer adjacent to one of the two three-dimensional fiber webs with the second building material. A product constructed by the method is also provided.

A method of making a roadbed, including paving an area with foamed glass bodies to define a bed and covering the bed with a layer of cementitious material to define a composite bed. The composite bed is at least 85 percent foamed glass bodies. The composite bed has a cementitious surface.