A cement-based material is formed from a mixture that includes cement in the range of about 40 to 90% by wet weight percent, a lightweight expanded aggregate in the range of about 10 to 60% by wet weight percent, a secondary material in the range of about 0.1 to 50% by wet weight percent, a reinforcement fiber in the range of about 1 to 20% by wet weight percent, a rheology modifying agent in the range of about 0.5 to 10% by wet weight percent, a retarder in the range of about 0.1 to 8% by wet weight percent, and water in the range of 10 to 60% of a total wet material weight.

A fire insulation precursor material formed of cement, in an amount of between 10-30% w/w; and an aluminium or magnesium hydroxide, huntite or hydromagnesite in an amount of between 60-90% w/w. A fire insulation material is provided including the previously mentioned precursor material. Further described are methods of forming a fire insulation material and applications for such material in sheaths, duct coatings, cable trays and other elongate components.

A fire insulation precursor material formed of cement, in an amount of between 10-30% w/w; and an aluminium or magnesium hydroxide, huntite or hydromagnesite in an amount of between 60-90% w/w. A fire insulation material is provided including the previously mentioned precursor material. Further described are methods of forming a fire insulation material and applications for such material in sheaths, duct coatings, cable trays and other elongate components.

A polymer-modified cementitious composition comprising a specific aqueous polymer dispersion and a cementitious material, and such polymer-modified cementitious composition having low ammonia release and providing coating membranes made therefrom with balanced tensile strength and elongation at break.

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 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 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 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 lightweight composite composition includes a plurality of lightweight particles including a volume of at least about 10% of a total volume of the lightweight composite composition. The plurality of lightweight particles includes an average bulk density within a range from about 0.001 g/cc to about 1.5 g/cc and an average particle size within a range from about 0.01 microns to about 90 mm. Methods of manufacturing a lightweight composite composition are provided.

To provide a molded body which has high strength, high ductility, and excellent dimensional stability while maintaining incombustibility and fire resistance.

A molded body formed from a curable composition containing (A) at least one aluminosilicate source, (B) an alkali metal hydroxide, (C) a calcium ion source, and (D) an alkali resistant fiber, wherein the aluminosilicate source (A) has an SiO.sub.2 content of 50% by mass or more based on a total mass of the aluminosilicate source (A), an amorphous ratio of 50% by mass or higher, and an average particle diameter of 50 m or smaller, and comprises an aluminosilicate source having an average particle diameter of 10 m or smaller in an amount of 30% by mass or more based on the total mass of the aluminosilicate source (A).