人民长江
人民長江
인민장강
YANGTZE RIVER
2015年
11期
40-43
,共4页
郭红亮%吴云飞%谢红兵%胡敏
郭紅亮%吳雲飛%謝紅兵%鬍敏
곽홍량%오운비%사홍병%호민
泄水闸%海漫%挤压成型%嵌套%兴隆水利枢纽
洩水閘%海漫%擠壓成型%嵌套%興隆水利樞紐
설수갑%해만%제압성형%감투%흥륭수리추뉴
discharge sluice%apron%extraction modeling%nested%Xinglong Hydro-complex
兴隆水利枢纽泄水闸河床为深厚粉细砂,属抗冲能力最小的一类土体,消力池后海漫一旦损毁,河床冲刷深度大、发展快,将直接危及泄水闸安全,因此,必须选择一种可靠度高的海漫型式。受嵌套式植草砖启发,结合工程现场实际,创新设计了一种嵌套式混凝土柔性海漫。新型海漫块体为“H”型,块体相互嵌套在一起,具有整体性好抗冲能力强的特点。块体混凝土强度等级为C25,单块长度和宽度都为48 cm,厚25 cm,施工中采用干硬混凝土挤压成型工艺制作,工效高、块体拼装简单、施工速度快。工程运行表明,该新式海漫的抗冲性能达到了预期目标。
興隆水利樞紐洩水閘河床為深厚粉細砂,屬抗遲能力最小的一類土體,消力池後海漫一旦損燬,河床遲刷深度大、髮展快,將直接危及洩水閘安全,因此,必鬚選擇一種可靠度高的海漫型式。受嵌套式植草磚啟髮,結閤工程現場實際,創新設計瞭一種嵌套式混凝土柔性海漫。新型海漫塊體為“H”型,塊體相互嵌套在一起,具有整體性好抗遲能力彊的特點。塊體混凝土彊度等級為C25,單塊長度和寬度都為48 cm,厚25 cm,施工中採用榦硬混凝土擠壓成型工藝製作,工效高、塊體拼裝簡單、施工速度快。工程運行錶明,該新式海漫的抗遲性能達到瞭預期目標。
흥륭수리추뉴설수갑하상위심후분세사,속항충능력최소적일류토체,소력지후해만일단손훼,하상충쇄심도대、발전쾌,장직접위급설수갑안전,인차,필수선택일충가고도고적해만형식。수감투식식초전계발,결합공정현장실제,창신설계료일충감투식혼응토유성해만。신형해만괴체위“H”형,괴체상호감투재일기,구유정체성호항충능력강적특점。괴체혼응토강도등급위C25,단괴장도화관도도위48 cm,후25 cm,시공중채용간경혼응토제압성형공예제작,공효고、괴체병장간단、시공속도쾌。공정운행표명,해신식해만적항충성능체도료예기목표。
The foundation of sluice of Xinglong Hydro-complex is a deep-thick fine sand one, with the smallest anti-scou-ring capacity, so the erosion depth would be large and quickly develope once the apron is destructed, which endangers the safety of the sluice. Therefore, a highly reliable apron type should be studied. Enlightened by the mosaic grass brick, we developed a new type of mosaic flexible concrete apron according to the practical construction condition. The new apron is consisted of mosaic H-shape bricks and each brick is connected with another, which has advantages of well integrity and better anti-scouring per-formance. The brick concrete is C25 level and made by extraction modeling of dry concrete, with a size of 48cm ( length and width) and 25cm (thickness), so the construction of apron is highly efficient and convenient. The project operation practice also shows that the anti-scouring performance of the new apron is satisfied.