߿ֽ21m~24mŷԤӦʩ
JSGF12-2002
    1÷Χ
    21m~24mƽֹʩʺڹԤֳСԤƳء޴͵Ļ£ʩറƽֵĹ塣
    2ʩ̣



































    3ߡϼ豸ã
    ¾121m?0mƽ֣
    3.1תϣֹܦ483.5mm  80Tɵ350ݣۼ3000ֻ
    3.2豸2̨豸2ף1̨
    3.3ˮƽ1̨ٷֱ4ֻʽ16ֻ˿Ӧⶨ1ֻ
    3.4ҪɰҪMx2.3?.0ʯΪ5?6mmˮΪP.042.5Ժϸ񣬦5LL800ֽÿ̾ҪԺϸ
    4ʩҪ㣺
    4.1ÿƽֹȡ21m60mƽΪȼʽԤ24鯣Ȼټʽʣµ26鯹塣
    4.2Ϊȷα8mȦвƻλƣָλڹ涨ķΧڣȦмӹ̣ȦĿŤ估
    4.2.1ȦǿǿC20ߵC40С40MPa
    4.2.2ΪȦŤԭȦڦ8@200ܵ@100ͬʱȦ212
    4.2.3ֹȦǲѹ飬ϽԤ505Ǹ֡
    4.2.4ܹײ覵4@200ĸֽ
    4.3ȡ´ʩȷêвλơ㸲
4.3.1Ȧ칵װê׮Թ̶ê塣Ϊ8mȦڼ30cm߲Ϊ15cmֱ릵1220ê8100100Ӿ壻Ц12ֽڼӾķ棬20ֽڼӾ棬ٲá606.3ĽǸӾ庸
4.3.23mڱ4.6m覵ôл˨Ħ14ܹ1.2mܹ͹߲ê嶥14ˣԵ²ֽ˵ʹܹܽϴء
    4.4ȦǰҪֽӹ̽ԼǸ֡ê׮ȷνǸֲλƣê׮һ¡
    4.5ȦʱȷC40ϱȼ׼ȷȦǿȴﵽʩҪר˿ֹǸּê׮λƣԱټ飬ȷʵԼ칵Ȧȷƫڹ淶Χڡ
    4.6żܴʱӦƺüࡢֱȡƽ̨²ż21m˵ļΪ@1750mmΪ@1000mm˵ļΪ@1200mmżܲΪ2mɨظ200mmżڱ6m-8m䣬@875mm򶥳ȦĳŹܣÿɵУһŲã@200mm
    4.7Ϊ˱֤żʱ岻λƣżڰװɵУɵУװֹڵĿɵ˨ȦΪ˼ȦλƣżҲӦ4.6m-8mĻɵаװʱҪһãֹܴʱڶˮƽ˴裬Ӧȳ̶ȻšˮƽˣٶšꣻšɵʱӦɿĴˣš򣨿ȷ򣩵Ŀɵкٹ̶Ĵˣ׶ȦɵڶȦʱԸ겻ɶΪˣҪȡ
    4.8ģһҪƺñߣƽȲ5mmģʱľģľģӦ2?mmķ϶ֹʱģΡ
    4.9ê尲װʱêȦ϶СƬ⣬ҪϸêԤӦĿ׶ͥλװê壻칵űƫߣһҪֱ칵ȷԷֹêϲ࣬ʱ㸲
    4.10ʱԳƽУȦλƣλ6mmڣ߸˿ӦⶨǼ
    4.11ǰӦȦϿڲõͱɰƽ象Ĥֹʱ˺Ȧ⣬ɰƽʱҲ˹񣬷ԤӦʱʹƽ㿪ѡ
    4.12彽ʱȽװ壬壻ÿ鯹ӦһγͲʩ죬ӦжԳƽУʱӦ5mmͷ𵷣Ұƽ𵷣Ա鳤Ҫټ顣
4.13ڹڶ彽ʱѽ͵ĹΪģӦԵһѽĹˢֹճһ𣬷ʱ໥ܵƻ
    4.14ڹ彽ʱǿӼӦǿ
    4.15ǰȲģģʱԳƼзţŹλƼء
    4.16ģǰ뺸ùڵбȷ쳤ȲС10d
    5Ͷϣ
    ָ1                 ֽ15
    ʼԱ1                 ӹ15
    ȡԱ1                 ľ  30
      24                е1
3                 Ա1
    6ȫҪ
    6.1ʩõӦϰȫõ淶GB50194-93Ҫ
    6.2Ա֤ϸڣ
    6.3칵Χðȫּ̺ʡ
    6.4彽װʱӦ㹻
    6.5ʩʱСʩԱ࣬϶ѷӦ򣬲аȫͨ
    6.6ʩʱĿרְȫͬӦټ飬ʱ
    6.7ĿӦǿְȫʩǿȫʶ
    7Ҫ
    7.1ִ̱еĹ淶ṹʩչ淶GB50204-92
    7.2ʩǰʩԱмס
    7.3ϸ񰴹ճʩÿ󣬱뾭ʼ첿żϸ󲢾ֳϿɺ󣬷ɽµʩ
    7.48mȦšɵǰǿӦﵽC40С40MPa
    7.5ԤӦλרҵԱ֤ϸڲϸӦ
    7.6ʱԱټ顣
    7.7򹰰ڱڽṹ꼾ʩʱһҪӦķʩ
    7.8ԤӦֽϸӦ콽壬ٲó24hСԤӦʧ
    7.9ԿӦĹͬǿȴﵽǿʱֵСǿȵ85%ɽйš
