c20混凝土中石子的粒径一般多大？ 常用的混凝土C15、C20、C25的石子粒径多少？
c20\u6df7\u51dd\u571f\u4e2d\u77f3\u5b50\u7684\u7c92\u5f84\u4e00\u822c\u591a\u5927c20\u6df7\u51dd\u571f\u4e2d\u77f3\u5b50\u7684\u7c92\u5f84\u4e00\u822c1-3cm\u7c92\u5f84\u3002\u6df7\u51dd\u571f\u5185\u90e8\u7c92\u5f84\u8ddf\u6df7\u51dd\u571f\u7b49\u7ea7\u662f\u65e0\u5173\u7684\u5b83\u4e0e\u5de5\u7a0b\u4f7f\u7528\u7684\u6df7\u51dd\u571f\u6280\u672f\u8981\u6c42\u6709\u5173\u7cfb\uff0c\u6bd4\u5982\u539a\u5ea6\u53ea\u670940-60\u7684\u9762\u5c42\u6df7\u51dd\u571f \u53ea\u80fd\u7528\u7ec6\u77f3\u6df7\u51dd\u571f\u8fd9\u65f6\u7c92\u5f84\u9009\u7528\u7684\u5219\u4e3a1-3cm\u7c92\u5f84\u7684\u6216\u662f0.5-1.5cm\u7684\u3002
\u783c\u91c7\u7528\u591a\u5927\u7684\u77f3\u5b50\uff0c\u4e0d\u5149\u4e0e\u7ed3\u6784\u6784\u4ef6\u6027\u8d28\u6709\u5173\u3002\u8fd8\u4e0e\u6d47\u7b51\u65b9\u5f0f\u548c\u65b9\u6cd5\u6709\u5173\u3002\u4e24\u79cd\u7c92\u5f84\u6bd4\u8f83\u9002\u5408\u4e8e\u73b0\u573a\u6405\u62cc\u673a\u6405\u62cc\uff0c\u7528\u5854\u540a\u7b49\u5782\u76f4\u8fd0\u8f93\u65b9\u5f0f\u3002 \u6bd4\u5982\u8bf4\u7528\u5546\u783c\uff0c\u6839\u636e\u6cf5\u9001\u6216\u5e03\u6599\u8f66\u5bf9\u5854\u843d\u5ea6\u7684\u8981\u6c42\uff0c\u8981\u7528\u7ec6\u77f3\u7684\u3002
\u9700\u8981\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u7684\u6c34\u6ce5 \u9aa8\u6599\u53ca\u5916\u52a0\u5242\u7b49\u8bd5\u914d\u786e\u5b9a C15\uff0c\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa \u5375\u77f3\u6df7\u51dd\u571f \u6c34\u6ce5\u5bcc\u4f59\u7cfb\u65701.00 \u7c97\u9aa8\u6599\u6700\u5927\u7c92\u5f8420mm \u574d\u843d\u5ea635~50mm \u6bcf\u7acb\u65b9\u7c73\u7528\u6599\u91cf\uff1a\u6c34\uff1a180 \u6c34\u6ce5\uff1a310 \u7802\u5b50\uff1a645 \u77f3\u5b50\uff1a1225 \u914d\u5408\u6bd4\u4e3a\uff1a0.58\uff1a1\uff1a2.081\uff1a3.952 \u7802\u738734.5% \u6c34\u7070\u6bd4\uff1a0.58 C20:\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa \u5375\u77f3\u6df7\u51dd\u571f \u6c34\u6ce5\u5bcc\u4f59\u7cfb\u65701.00 \u7c97\u9aa8\u6599\u6700\u5927\u7c92\u5f8420mm C15\uff1a\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u590d\u5408\u6027\u6c34\u6ce5\uff0c\u5728\u57fa\u7840\u65e0\u5730\u4e0b\u6c34\u65f6\u5b8c\u5168\u53ef\u4ee5\u4f7f\u7528\u3002\u6709\u5730\u4e0b\u6c34\u65f6\u8981\u614e\u91cd\u4f7f\u7528\u3002\u6df7\u51dd\u571f\u7684\u914d\u5408\u6bd4\u4e0e\u7802\u5b50\u7684\u7c97\u7ec6\u3001\u788e\u77f3\u7684\u7c92\u5f84\u3001\u6c34\u6ce5\u7684\u5f3a\u5ea6\u6709\u76f4\u63a5\u7684\u5173\u7cfb\uff0c\u4e09\u8005\u4e2d\u6709\u4e00\u9879\u53d1\u751f\u53d8\u5316\uff0c\u6574\u4e2a\u6df7\u51dd\u571f\u7684\u914d\u5408\u6bd4\u5c31\u4f1a\u968f\u4e4b\u4ea7\u751f\u53d8\u5316 \u3002
\u6240\u4ee5\u63d0\u4f9b\u7ed9\u7684\u6570\u636e\uff0c\u90fd\u662f\u7ecf\u9a8c\u4e4b\u8c08\uff0c\u8981\u60f3\u505a\u5230\u51c6\u786e\uff0c\u8fd8\u9700\u8981\u4f60\u5c06\u7802\u3001\u77f3\u3001\u6c34\u6ce5\u8fd9\u4e09\u79cd\u6750\u6599\u9001\u53bb\u68c0\u6d4b\uff0c\u7531\u68c0\u6d4b\u90e8\u95e8\u6839\u636e\u68c0\u6d4b\u7ed3\u679c\u51fa\u5177\u6df7\u51dd\u571f\u7684\u5177\u4f53\u914d\u5408\u6bd4\u3002\u8fd8\u8981\u6ce8\u610f\uff1aC35\u4ee5\u4e0a\u7684\u6df7\u51dd\u571f\uff08\u542bC35\uff09\u5fc5\u987b\u4f7f\u752842.5\u7ea7\u4ee5\u4e0a\u6c34\u6ce5\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u666e\u901a\u6df7\u51dd\u571f
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u4e2d\u56fd\u77e5\u7f51\u2014\u77f3\u5b50\u6700\u5927\u7c92\u5f84\u4e0e\u6df7\u51dd\u571f\u5f3a\u5ea6\u5173\u7cfb\u7684\u7814\u7a76
\u5e38\u7528\u7684\u6df7\u51dd\u571f\u77f3\u5b50\u7684\u7c92\u5f841-3cm\u3002\u7802\u5b50\u7528\u4e2d\u7802\uff0c\u4e5f\u53ef\u7528\u7c97\u7802\u4e0e\u4e2d\u7802\u6df7\u5408\uff0c\u4e0b\u9762\u5177\u4f53\u4ecb\u7ecd\u4e00\u4e0b\uff1a
\u9700\u8981\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u7684\u6c34\u6ce5 \u9aa8\u6599\u53ca\u5916\u52a0\u5242\u7b49\u8bd5\u914d\u786e\u5b9a C15\uff1a
\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa \u5375\u77f3\u6df7\u51dd\u571f \u6c34\u6ce5\u5bcc\u4f59\u7cfb\u65701.00 \u7c97\u9aa8\u6599\u6700\u5927\u7c92\u5f8420mm \u574d\u843d\u5ea635~50mm \u6bcf\u7acb\u65b9\u7c73\u7528\u6599\u91cf\uff1a\u6c34\uff1a180 \u6c34\u6ce5\uff1a310 \u7802\u5b50\uff1a645 \u77f3\u5b50\uff1a1225 \u914d\u5408\u6bd4\u4e3a\uff1a0.58\uff1a1\uff1a2.081\uff1a3.952 \u7802\u738734.5% \u6c34\u7070\u6bd4\uff1a0.58 C20:\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa \u5375\u77f3\u6df7\u51dd\u571f \u6c34\u6ce5\u5bcc\u4f59\u7cfb\u65701.00 \u7c97\u9aa8\u6599\u6700\u5927\u7c92\u5f8420mm C15\uff1a\u6c34\u6ce5\u5f3a\u5ea6\uff1a32.5Mpa
\u62d3\u5c55\u8d44\u6599\uff1a
\u6df7\u51dd\u571f\uff0c\u7b80\u79f0\u4e3a\u201c\u783c\uff08t\u00f3ng\uff09\u201d\uff1a\u662f\u6307\u7531\u80f6\u51dd\u6750\u6599\u5c06\u9aa8\u6599\u80f6\u7ed3\u6210\u6574\u4f53\u7684\u5de5\u7a0b\u590d\u5408\u6750\u6599\u7684\u7edf\u79f0\u3002\u901a\u5e38\u8bb2\u7684\u6df7\u51dd\u571f\u4e00\u8bcd\u662f\u6307\u7528\u6c34\u6ce5\u4f5c\u80f6\u51dd\u6750\u6599\uff0c\u7802\u3001\u77f3\u4f5c\u9aa8\u6599\uff1b\u4e0e\u6c34\uff08\u53ef\u542b\u5916\u52a0\u5242\u548c\u63ba\u5408\u6599\uff09\u6309\u4e00\u5b9a\u6bd4\u4f8b\u914d\u5408\uff0c\u7ecf\u6405\u62cc\u800c\u5f97\u7684\u6c34\u6ce5\u6df7\u51dd\u571f\uff0c\u4e5f\u79f0\u666e\u901a\u6df7\u51dd\u571f\uff0c\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u571f\u6728\u5de5\u7a0b\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u6df7\u51dd\u571f\u767e\u5ea6\u767e\u79d1
绛旓細c20娣峰嚌鍦熶腑鐭冲瓙鐨勭矑寰勪竴鑸1-3cm绮掑緞銆傛贩鍑濆湡鍐呴儴绮掑緞璺熸贩鍑濆湡绛夌骇鏄棤鍏崇殑瀹冧笌宸ョ▼浣跨敤鐨勬贩鍑濆湡鎶鏈姹傛湁鍏崇郴锛屾瘮濡傚帤搴﹀彧鏈40-60鐨勯潰灞傛贩鍑濆湡鍙兘鐢ㄧ粏鐭虫贩鍑濆湡杩欐椂绮掑緞閫夌敤鐨勫垯涓1-3cm绮掑緞鐨勬垨鏄0.5-1.5cm鐨勩傜牸閲囩敤澶氬ぇ鐨勭煶瀛愶紝涓嶅厜涓庣粨鏋勬瀯浠舵ц川鏈夊叧銆傝繕涓庢祰绛戞柟寮忓拰鏂规硶鏈夊叧銆備袱绉嶇矑寰勬瘮杈冮...
绛旓細C20鐨勬贩鍑濆湡锛屽鏋滄槸鏅氱殑娣峰嚌鍦燂紝鐢ㄥ埌鍨眰銆佷复鏃堕亾璺瓑閮ㄤ綅锛鍙互鐢5-31.5mm鎴栬5-25mm鐨勭煶瀛銆傚鏋滄槸鐢ㄥ湪浜屾缁撴瀯鎴栬呭眿闈㈠垰鎬х殑璇濓紝灏辫鐢5-16mm鐨勭煶瀛愩
绛旓細1. 娣峰嚌鍦熶腑浣跨敤鐨勭煶瀛愰氬父瑕佹眰鍏剁矑寰勫湪1鍒3鍘樼背涔嬮棿锛岃繖鏍风殑灏哄鍙互鎻愪緵鑹ソ鐨勫伐浣滄у拰缁撴瀯寮哄害銆2. 鐮傚瓙搴旈夋嫨涓爞锛屾垨鑰呮牴鎹渶瑕佸彲浠ヤ娇鐢ㄧ矖鐮備笌涓爞鐨勬贩鍚堢墿銆傜爞瀛愮殑閫夋嫨浼氬奖鍝嶆贩鍑濆湡鐨勫瘑瀹炴у拰鑰愪箙鎬с3. 娣峰嚌鍦熺殑閰嶅悎姣旈渶瑕佹牴鎹疄闄呬娇鐢ㄧ殑姘存偿銆侀鏂欎互鍙婂鍔犲墏绛夎繘琛岃瘯閰嶇‘瀹氥備緥濡傦紝C15娣峰嚌鍦熺殑閰...
绛旓細濡傛灉浣犱笉閲囩敤娉甸佺殑璇,鐭冲瓙绮掑緞灏遍夌敤5--31.5灏卞彲浠ョ殑,鍏朵腑閽堢墖鐘堕绮掑惈閲忎笉瑕佸ぇ浜10%,浼樺厛閫夌敤绾ч厤鑹ソ鐨勭牬纰庣煶.銆傚父鐢ㄧ瓑绾 濡備笅 C20 姘达細175kg姘存偿锛343kg 鐮傦細621kg 鐭冲瓙锛1261kg 閰嶅悎姣斾负锛0.51:1:1.81:3.68 C25 姘达細175kg姘存偿锛398kg 鐮傦細566kg 鐭冲瓙锛1261kg 閰嶅悎姣斾负锛0.44:1:...
绛旓細甯哥敤鐨勬贩鍑濆湡鐭冲瓙鐨勭矑寰1-3cm銆傜爞瀛愮敤涓爞锛屼篃鍙敤绮楃爞涓庝腑鐮傛贩鍚堬紝涓嬮潰鍏蜂綋浠嬬粛涓涓嬶細闇瑕佹牴鎹疄闄呬娇鐢ㄧ殑姘存偿 楠ㄦ枡鍙婂鍔犲墏绛夎瘯閰嶇‘瀹 C15锛氭按娉ュ己搴︼細32.5Mpa 鍗电煶娣峰嚌鍦 姘存偿瀵屼綑绯绘暟1.00 绮楅鏂欐渶澶х矑寰20mm 鍧嶈惤搴35~50mm 姣忕珛鏂圭背鐢ㄦ枡閲忥細姘达細180 姘存偿锛310 鐮傚瓙锛645 鐭冲瓙锛1225 閰嶅悎姣斾负锛...
绛旓細娣峰嚌鍦寮哄害C20锛氬潔钀藉害锛35-50mm銆佺爞瀛愮绫伙細涓爞銆鐭冲瓙鏈澶绮掑緞40mm銆佹按娉32.5绾 姘存偿锛297Kg 鐮:692Kg 纰庣煶:1230Kg 姘:175Kg 閰嶅悎姣1:2.33:4.14:0.59 娣峰嚌鍦熷己搴25锛氬潔钀藉害锛35-50mm銆佺爞瀛愮绫伙細涓爞銆佺煶瀛愭渶澶х矑寰40mm銆佹按娉32.5绾 姘存偿锛350Kg 鐮:600Kg 纰庣煶:1276Kg 姘:175Kg 閰嶅悎...
绛旓細浜屻丆20缁嗙煶娣峰嚌鍦熻窡C20娣峰嚌鍦鐨勫尯鍒1銆佸彈鍒伴厤绛嬩笌鏋勫缓灏哄鐨勫奖鍝嶏紝鏈変簺缁撴瀯鐨勫缓绛戠敤鏅氱煶瀛愪笉濂借繘琛屾祰绛戯紝鍥犱负鏅鐭冲瓙鐨勭矑寰勪竴鑸涓猴紙5~25锛塵m锛屾墍浠ヨ繖绫诲缓绛戝ぇ澶氫娇鐢ㄧ殑鏄矑寰勪负锛5~10锛塵m鎴栵紙5~16锛塵m鐨勭粏鐭虫贩鍑濆湡杩涜娴囩瓚銆2銆佹櫘閫氭贩鍑濆湡涓庣粏鐭虫贩鍑濆湡鐨勭瓑绾ч兘涓篊20锛屾墍浠ヤ袱鑰呯殑寮哄害鎸囨爣鐩稿悓锛屽彧鏄...
绛旓細鍦ㄦ贩鍑濆湡鏂藉伐涓紝C20娣峰嚌鍦熺殑閰嶆瘮濡備笅锛1. 浣跨敤涓爞鍜屾渶澶绮掑緞涓10mm鐨勭鐭筹紝姣忕珛鏂圭背娣峰嚌鍦熼渶瑕714鍏枻鐮傚瓙銆388鍏枻32.5鍙锋按娉ュ拰1189鍏枻鐭冲瓙銆2. 浣跨敤涓爞鍜屾渶澶х矑寰勪负15mm鐨勭鐭筹紝姣忕珛鏂圭背娣峰嚌鍦熼渶瑕698鍏枻鐮傚瓙銆379鍏枻32.5鍙锋按娉ュ拰1218鍏枻鐭冲瓙銆3. 浣跨敤涓爞鍜屾渶澶х矑寰勪负20mm鐨勭鐭筹紝姣忕珛鏂圭背...
绛旓細鐭冲瓙閫氬父鎸绮掑緞鍒嗭紝c20娣峰嚌鍦熺煶瀛涓昏鏄30-50鐭冲瓙锛屾湁鐨勪负浜嗘洿濂界殑閰嶅悎姣涓鑸涔熸斁浜5-20纰庣煶銆
绛旓細渚濇嵁娣峰嚌鍦璐ㄩ噺鎺у埗鏍囧噯锛氬浜庢贩鍑濆湡缁撴瀯锛岀矖楠ㄦ枡鏈澶绮掑緞涓嶅緱澶т簬鏋勪欢鏈灏忓昂瀵哥殑1/4锛屼笖涓嶅緱澶т簬閽㈢瓔鏈灏忓噣闂磋窛鐨3/4銆傜幇鎮ㄦ墍缁欑殑淇℃伅鏃犻挗绛嬪噣闂磋窛銆傜煶瀛愬叕绉扮矑寰勨墹120x1/4=30mm銆傜敱浜鐭冲瓙鐨鍏О绮掑緞鏈25.0mm銆31.5mm锛屾墍浠ユ墍鐢ㄧ煶瀛愮殑鏈澶у叕绉扮矑寰勪负25.0mm銆
