土工布是一種新型建筑材料，原料是滌綸、丙綸、腈綸、錦綸等高分子聚合物的合成纖維。按照制造方法分為：有紡?fù)凉げ?SPAN style='FONT-SIZE: 14px; FONT-FAMILY: arial, "pingfang sc", stheiti, simsun, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: normal; COLOR: rgb(51,51,51); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 28px; -webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal'>和無紡?fù)凉げ?SPAN style='FONT-SIZE: 14px; FONT-FAMILY: arial, "pingfang sc", stheiti, simsun, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: normal; COLOR: rgb(51,51,51); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 28px; -webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal'>兩種類型。一般工程主要是使用的無紡?fù)凉げ?土工布具有防滲、反濾、排水、隔離、加固、防護(hù)、密封等多種功能，它與常規(guī)的砌石及砼材料防滲效果相比，具有投資低，施工工藝簡單，工期短，防滲效果好，渠道有效利用系數(shù)高等優(yōu)點(diǎn)。