Gathers splendid alkene fiber is a kind of acid alkali resistance, chemical stability strong high polymer material, have anti-aging deteriorate and in concrete, cement mortar can reduce and Yang system caused by contract and early crack; Increase impermeability waterproof ability; Enhance freezing-thawing resisting sex; Increase the toughness and ductility, improving the durable long degree; Improve the shock resistance, resistance to deformation and earthquake-resistant ability; Reduce of sprayed concrete rebound rate, increase the one-time jet thickness; As a kind of effective temperature difference compensatory seismic method.