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ӦС50%ƽˮƽȵƫΪ2 mm/m鶥ıӦʵʰװ

4.1.6ƽ󣬵鲼ӦҪ:

a)ÿһӦƽȣӴãӦ¶lOmm-30mm

b)ؽ˨ĵ飬ÿijȣӦؽ˨

c)ĵӴȲʱõλӦ֤ڵѹв

d}бĴӳӦСȫ3/4໥ƫбaӦ3㡣

4.1.8õƽ󣬶ԵӦ¼:

a)0.25 kg0.5 kgִûɽ̶ȣӦɶ b)0.05 mm߼飬֮ʼ֮ļ϶ڵͬһ洦ijܺͣӦ()ȵ1 /3

4.1.9ϸӦڵв䶨λΣ֮䲻úӡ

4.1.10װڽṹϵĻƽӦṹöλΡ 4.2޵װ

4.2.1޵װʱӦݻ͵ĽṹȷʱСǧﶥݶλú

4.2.2аװõݶʱӦҪ: a)ֵ֧ݶõ֧аú䶥ˮƽȵƫ

Ϊ2 mm/mӴС50%֧аĶƫСڡ5 mm

b)ݶ֧аĺ˴ݶֱ

c)Ϊ֧еĵݶijȣӦС˨ֱ

4.2.3ιཬﵽǿȵ75%ʱɵʱСǧﶥ˿ȡʱ֧żͬʱˮƽȣնʵ

PE˹ѹŷװ޵װСǧﶥûϣʱ֧ź͵ˮƽȡеװ豸PĘװԹʽѹҶϩÿװıڰװʱҪװպϸǿȴﵽҪ75%ʱСǧﶥôĥ⻬úú󣬽ؽ˨˨ף׼ѹλ

5ؽ˨

ؽ˨ǿճͻڸֽϵĦ豸ι̵ӡ ĵؽ˨

һֱؽ˨ Ԥؽ˨ êʽؽ˨

ֳѹͱ඼õһֱؽ˨Ԥеĵؽ˨һҪ:

a)ؽ˨Ĺ˲ӦۻƤƲӦͿ֬;

b)ؽ˨ԤӦֱ;

c)ؽ˨Ӧ׵ף˨ϵһλױڵľ벻С15mm׵׼಻С80mm d)šĸ˨Ӧ¶ĸ¶Ϊ2-4ݾࡣ e)ĸȦȦӦӴá 5. 2šؽ˨ӦԤڵĻﵽǿȵ75%ʱУšӦȡ

5.3ôêĵؽ˨ӦҪ: a)ؽ˨Ĺ˲ּê壬Ӧˢ;

b)ĸŵĸê壬êĸ֮Ӧλ̶ȡɴʩ

c)êֱӺڵؽ˨ʱǺ߶ӦСݸֱ1 /20

5.4Ԥĵؽ˨ӦҪ:

a)ؽ˨꼰໥ߴӦʩͼֽҪ b)ؽ˨¶Ӧֱؽ˨׺Ӧеÿؽ˨пɬ

Сǧﶥ

˹ѹõ8ؽ˨ڷֱ˨

һСǧﶥ4ǧﶥһл׼Ժ󣬲ó20tгѹװλڵװλĹӦʹ߶Ӧı׼ߣԱݵĵ

ѹλûʲôر⣬dz豸ھλװʱһҪעⰴͼֳֽʵװϾλ豸ŷѭˮվ˫þͷ÷ˣҺüʱָཬӺܶ޹ĹӰ칤̽ȡ