抗(kang)凍混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土。抗(kang)凍混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土分為(wei)(wei)：抗(kang)凍半干硬(ying)性(xing)(xing)(xing)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土，抗(kang)凍泵送混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土，透(tou)水混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土哪家好(hao)，他們每個又分為(wei)(wei)：碎石混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土和(he)(he)(he)卵(luan)石混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土。區(qu)別混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土的(de)(de)(de)(de)好(hao)壞主要有以(yi)下幾點：和(he)(he)(he)易性(xing)(xing)(xing)，和(he)(he)(he)易性(xing)(xing)(xing)是(shi)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土拌合物(wu)的(de)(de)(de)(de)性(xing)(xing)(xing)能。它(ta)綜合表(biao)示(shi)拌合物(wu)的(de)(de)(de)(de)稠度、流(liu)動性(xing)(xing)(xing)、可塑性(xing)(xing)(xing)、抗(kang)分層離(li)析泌水的(de)(de)(de)(de)性(xing)(xing)(xing)能及易抹面(mian)性(xing)(xing)(xing)等(deng)。重(zhong)混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土是(shi)表(biao)觀密度大于2500Kg/m3;，用(yong)特(te)別密實和(he)(he)(he)特(te)別重(zhong)的(de)(de)(de)(de)集(ji)料制(zhi)成的(de)(de)(de)(de)。如(ru)重(zhong)晶石混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土、鋼屑混(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)土等(deng)，它(ta)們具(ju)有不(bu)透(tou)x射線(xian)和(he)(he)(he)γ射線(xian)的(de)(de)(de)(de)性(xing)(xing)(xing)能。

貧(pin)混凝(ning)土(tu)(tu)具有(you)(you)較(jiao)高(gao)的(de)(de)(de)強(qiang)度和(he)剛度，水(shui)穩性(xing)(xing)(xing)(xing)好、抗沖刷(shua)能(neng)(neng)力強(qiang)。貧(pin)混凝(ning)土(tu)(tu)由于膠結料含量少(shao)，空隙率一般較(jiao)大，有(you)(you)利于界面水(shui)的(de)(de)(de)排放(fang)。區別(bie)混凝(ning)土(tu)(tu)的(de)(de)(de)好壞主要有(you)(you)以下幾點：和(he)易性(xing)(xing)(xing)(xing)，和(he)易性(xing)(xing)(xing)(xing)是(shi)混凝(ning)土(tu)(tu)拌(ban)合物(wu)的(de)(de)(de)性(xing)(xing)(xing)(xing)能(neng)(neng)。它綜(zong)合表示拌(ban)合物(wu)的(de)(de)(de)稠度、流動(dong)性(xing)(xing)(xing)(xing)、可(ke)塑性(xing)(xing)(xing)(xing)、抗分層離析(xi)泌(mi)水(shui)的(de)(de)(de)性(xing)(xing)(xing)(xing)能(neng)(neng)及易抹面性(xing)(xing)(xing)(xing)等(deng)。貧(pin)混凝(ning)土(tu)(tu)能(neng)(neng)緩和(he)土(tu)(tu)基的(de)(de)(de)不均勻變形，混凝(ning)土(tu)(tu)，可(ke)消除對路面的(de)(de)(de)不利影響。另外，貧(pin)混凝(ning)土(tu)(tu)還可(ke)以利用地(di)方(fang)小泥窯生產的(de)(de)(de)水(shui)泥，也可(ke)使用低標準的(de)(de)(de)當地(di)集料。

現代(dai)(dai)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)發展方向(xiang)-商(shang)(shang)品(pin)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)是以集中予(yu)拌(ban)、遠距離運輸的(de)(de)方式向(xiang)施(shi)工(gong)工(gong)地(di)提供現澆混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu);是現代(dai)(dai)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)與現代(dai)(dai)化施(shi)工(gong)工(gong)藝的(de)(de)結(jie)合(he)的(de)(de)高科技建材產(chan)品(pin)，包括：大流動性混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、流態混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、泵(beng)送(song)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、自密(mi)實混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、防(fang)滲抗(kang)裂(lie)大體積混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、高強(qiang)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)和混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)等(deng)。嚴格地(di)講商(shang)(shang)品(pin)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)是指混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)工(gong)藝和產(chan)品(pin)，透水混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)廠家，而不(bu)是混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)品(pin)種，自密(mi)實混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)，它應包括大流動性混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、流態混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、泵(beng)送(song)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、高強(qiang)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、大體積混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、防(fang)滲抗(kang)裂(lie)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)或混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)等(deng)。素(su)混(hun)(hun)(hun)(hun)凝(ning)(ning)(ning)(ning)(ning)(ning)(ning)土(tu)(tu)(tu)(tu)(tu)(tu)(tu):鋼(gang)筋砼的(de)(de)重要組成部分(fen)，由水泥、砂（細骨料）、石子（粗骨料）、外加劑等(deng)，按一定(ding)比(bi)例(li)混(hun)(hun)(hun)(hun)合(he)后加一定(ding)比(bi)例(li)的(de)(de)水拌(ban)制而成。