混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)有(you)(you)多(duo)種分類(lei)方(fang)法，常見的有(you)(you)以下幾種：按膠凝(ning)(ning)(ning)材料(liao)無(wu)機(ji)膠凝(ning)(ning)(ning)材料(liao)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)，無(wu)機(ji)膠凝(ning)(ning)(ning)材料(liao)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)包括(kuo)石灰(hui)(hui)硅質膠凝(ning)(ning)(ning)材料(liao)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)（如(ru)硅酸鹽混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)）、硅酸鹽水(shui)(shui)泥(ni)系(xi)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)（如(ru)硅酸鹽水(shui)(shui)泥(ni)、普(pu)通(tong)水(shui)(shui)泥(ni)，彩色混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)，礦渣水(shui)(shui)泥(ni)，粉煤灰(hui)(hui)水(shui)(shui)泥(ni)、火山灰(hui)(hui)質水(shui)(shui)泥(ni)、早強水(shui)(shui)泥(ni)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)等(deng)）。C20用(yong)于(yu)地坪，素(su)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)；C25用(yong)于(yu)多(duo)層(ceng)鋼(gang)筋(jin)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)(gou)；C30-C35多(duo)用(yong)于(yu)小(xiao)高層(ceng)鋼(gang)筋(jin)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)(gou)；C40以上多(duo)用(yong)高層(ceng)鋼(gang)筋(jin)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)(gou)。管樁混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)一般(ban) c60以上預制構(gou)(gou)件的混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)等(deng)級與現(xian)澆的相比比較高。高層(ceng)一平方(fang)得大概用(yong)846公斤混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)。普(pu)通(tong)住宅建(jian)筑混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)用(yong)量（以下數(shu)據按抗(kang)震7度區規則結(jie)(jie)構(gou)(gou)設計(ji)）：多(duo)層(ceng)砌(qi)體(ti)住宅：0.3～0.33m3/m2，多(duo)層(ceng)框架(jia)：0.33～0.35m3/m2。

混(hun)(hun)凝(ning)(ning)(ning)土(tu)容重(zhong)：C10-20：2350公(gong)(gong)斤(jin)/m06，透水混(hun)(hun)凝(ning)(ning)(ning)土(tu)，C25-35：2390公(gong)(gong)斤(jin)/m06，C40-50：2440公(gong)(gong)斤(jin)/m06。根據砂石(shi)的(de)(de)密(mi)度，上下有(you)50公(gong)(gong)斤(jin)的(de)(de)調整量。也(ye)可以說是在每(mei)立方米2400公(gong)(gong)斤(jin)左右(you)。重(zhong)混(hun)(hun)凝(ning)(ning)(ning)土(tu)是表(biao)觀密(mi)度大于2500Kg/m3;，用特別密(mi)實和(he)特別重(zhong)的(de)(de)集料(liao)制成(cheng)的(de)(de)。如(ru)重(zhong)晶(jing)石(shi)混(hun)(hun)凝(ning)(ning)(ning)土(tu)、鋼屑混(hun)(hun)凝(ning)(ning)(ning)土(tu)等(deng)，切割混(hun)(hun)凝(ning)(ning)(ning)土(tu)，它們具有(you)不透x射線和(he)γ射線的(de)(de)性能(neng)。混(hun)(hun)凝(ning)(ning)(ning)土(tu)的(de)(de)種類(lei)按(an)膠(jiao)凝(ning)(ning)(ning)材(cai)料(liao)分類(lei)，無(wu)機膠(jiao)凝(ning)(ning)(ning)材(cai)料(liao)混(hun)(hun)凝(ning)(ning)(ning)土(tu)，馬鞍(an)山混(hun)(hun)凝(ning)(ning)(ning)土(tu)，如(ru)水泥混(hun)(hun)凝(ning)(ning)(ning)土(tu)、石(shi)膏混(hun)(hun)凝(ning)(ning)(ning)土(tu)、硅酸(suan)鹽混(hun)(hun)凝(ning)(ning)(ning)土(tu)、水玻璃混(hun)(hun)凝(ning)(ning)(ning)土(tu)等(deng)；有(you)機膠(jiao)結料(liao)混(hun)(hun)凝(ning)(ning)(ning)土(tu)，如(ru)瀝青(qing)混(hun)(hun)凝(ning)(ning)(ning)土(tu)、聚合(he)物混(hun)(hun)凝(ning)(ning)(ning)土(tu)等(deng)。

混(hun)凝(ning)(ning)土(tu)(tu)(tu)的裂縫產生主要(yao)是限制(zhi)(zhi)條件(jian)(jian)變形作用(yong)(yong)(yong)引起的，變形作用(yong)(yong)(yong)包括溫度變形（水(shui)(shui)化熱、氣溫、生產熱、太陽(yang)熱）、收(shou)(shou)縮變形（自生收(shou)(shou)縮、失(shi)水(shui)(shui)干縮、碳化收(shou)(shou)縮、塑性收(shou)(shou)縮）鈣鋁(lv)水(shui)(shui)泥(ni)系混(hun)凝(ning)(ning)土(tu)(tu)(tu)（如高(gao)鋁(lv)水(shui)(shui)泥(ni)、純鋁(lv)酸鹽水(shui)(shui)泥(ni)、噴射水(shui)(shui)泥(ni)，硬水(shui)(shui)泥(ni)混(hun)凝(ning)(ning)土(tu)(tu)(tu)等）、石(shi)膏混(hun)凝(ning)(ning)土(tu)(tu)(tu)、鎂質水(shui)(shui)泥(ni)混(hun)凝(ning)(ning)土(tu)(tu)(tu)、硫磺混(hun)凝(ning)(ning)土(tu)(tu)(tu)、金(jin)屬(shu)混(hun)凝(ning)(ning)土(tu)(tu)(tu)（用(yong)(yong)(yong)金(jin)屬(shu)代替(ti)水(shui)(shui)泥(ni)作膠結(jie)(jie)材料）等。C20用(yong)(yong)(yong)于(yu)地坪，素混(hun)凝(ning)(ning)土(tu)(tu)(tu)；C25用(yong)(yong)(yong)于(yu)多(duo)層鋼筋(jin)混(hun)凝(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)；C30-C35多(duo)用(yong)(yong)(yong)于(yu)小(xiao)高(gao)層鋼筋(jin)混(hun)凝(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)；C40以上多(duo)用(yong)(yong)(yong)高(gao)層鋼筋(jin)混(hun)凝(ning)(ning)土(tu)(tu)(tu)結(jie)(jie)構(gou)。管(guan)樁混(hun)凝(ning)(ning)土(tu)(tu)(tu)一般 c60以上預制(zhi)(zhi)構(gou)件(jian)(jian)的混(hun)凝(ning)(ning)土(tu)(tu)(tu)等級與(yu)現澆的相比比較(jiao)高(gao)。