��ˮ��̘�(bi��o)��(zh��n)�D��

��r(sh��)�g��2007-12-05 17:59 ��Դ�� : ��x��7179

1.�ܵ��ӿڼ��ˮ�z�龮

�m�×l��:�m��ڽ��С�^(q��)��ˮ��I(y��)��I(y��)�c��ý��ˮ��ų�,��Ҳ�m��ˮ��o��g�Թ��I(y��)�Uˮ��ų�,��ܵ��≤4.00m��

��1��ܵ��ӿ�
��Խӿ�:ˮ��ɰ�{�ӿ�,��䓽z�W(w��ng)ˮ��ɰ�{Ĩ��ӿڵ�,��m��ڹܵ��O(sh��)��δ��_�ӵ�ԭ��ػ��;

�넂�Խӿ�:�A(y��)��䓽��׭h(hu��n)ʯ��ˮ��ӿڵȣ��m��ڹܵ��O(sh��)�ڮa(ch��n)��С��ݵĵػ��;

��Խӿ�:�r��(��)�ӿڵ�,��m��ڵػ��_�ӽ�(j��ng)̎��ϻ��ӽ�(j��ng)̎��عܵ��v��|(zh��)��
��ĵػ��,��

��2��ˮ��
�m��ų��ˮ��ˮ�ܵ��ϡ�

��c�O(sh��)Ӌ(j��)�l��؅^(q��)��(y��ng)��(j��)��P(gu��n)Ҏ(gu��)��Ҏ(gu��)��̎��,��

��3��ػ�̎��

�o��ˮ�r(sh��),��A(ch��)��(sh��)��(sh��)ϵ��(sh��)��0.95;�е��ˮ�r(sh��),��A(ch��)��ʯ��ʯ��,��Ȳ�С��100mm,��ࡢ�s��ܛ��ػ�,��(y��ng)��ܵ�̎��Ҫ��M(j��n)��̎��;��S��,��A(ch��)��300mm��3:7��|�ӣ��A(ch��)��150nm,��(sh��)ϵ��(sh��)��ڻ��0.95

��4��z�龮��̎��
��(n��i)��:��1: 2.5ˮ��ɰ�{��55%��ˮ��Ĩ��20mm;��:�o��ˮ�r(sh��):1:2.5ˮ��ɰ�{��p,��е��ˮ�r(sh��)1:2.5ˮ��ɰ�{��5%��ˮ��Ĩ��20mm,��߳��ˮλ500mm,��}��g�r(sh��)Ĩ��ˮ��ǻ�ɽ�ҹ��}ˮ��V��}ˮ�ࡣ

��5��ܵ��]ˮԇ�(y��n)

�]ˮԇ�(y��n)��(y��ng)�ڻ��ǰ�M(j��n)��,��P(gu��n)Ҏ(gu��)��,��

2.С��ˮ�ֲ�̎�혋(g��u)��

�m��һ�㹤�I(y��)��I(y��)��ý��С�;ֲ�̎�혋(g��u)����ůӋ(j��)��ضȸ��- 20��ͱ��С��1.5m�ĵ؅^(q��)��ƣ��u��Y(ji��)��(g��u),��ڝ��S��؅^(q��),��ԃ��؅^(q��)��Û��ʹ��ڰ˶ȵĵ��^(q��)��؅^(q��)�r(sh��),��(y��ng)��P(gu��n)Ҏ(gu��)��Ҏ(gu��)��̎��,��

��1��ˮ�⾮��ë�l(f��)�ۼ��ůӋ(j��)��ض�-10-15��r(sh��),��O(sh��)��ؾ��,��-16-20��r(sh��)��(y��ng)�ھ��̎��ӱ��ز��,��(g��u)��O(sh��)��r(sh��),��T�c��ƽ��ڷ��r(sh��),��ڸ߳��50mm,��

��2��ܵ�֧�ܡ��w,��,��ؾ��ں��ԔҊȫ��ͨ�ýoˮ��ˮ��(bi��o)��(zh��n)�D��S161��S147��ͨ��ܲ��\䓹�,��O(sh��)��ڲ�Ӱ푽�ͨ�ͭh(hu��n)��ĵط�,��߳��0.5-2.0m��O(sh��)��ͨ��ñԔҊ92S220,��

(3)�u��ͳ�
��7d,��Ͳ��ݷe��ԓ��Ч�ݷe25%Ӌ(j��)�㡣�u��ͳ��x��Ҋ��PSl-1,��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e�`��ַ��ĺϷ��(qu��n)�棬Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r(sh��)��,��h��x�x,��