<P 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-ALIGN: center" align=center><B>光缆直埋深度标准</B><B><p></p></B></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt">敷设地段或土质<FONT face="Times New Roman"> </FONT>埋<FONT face="Times New Roman"> </FONT>深<FONT face="Times New Roman"> (m) </FONT>备<FONT face="Times New Roman"> </FONT>注
普通土<FONT face="Times New Roman">(</FONT>硬土<FONT face="Times New Roman">) </FONT>≥<FONT face="Times New Roman">1.2
</FONT>半石质<FONT face="Times New Roman">(</FONT>沙砾土、风化石<FONT face="Times New Roman">) </FONT>≥<FONT face="Times New Roman">1.0
</FONT>全石质<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">0.8 </FONT>沟底加垫<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="10" UnitName="cm"><FONT face="Times New Roman">10cm</FONT></st1:chmetcnv>细土或沙土
流沙<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">0.8
</FONT>市郊、村镇<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">1.2
</FONT>市内人行道<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">1.0
</FONT>穿越铁路、公路<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">1.2 </FONT>距道渣底或距路面
沟、渠、塘<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">1.2
</FONT>农田排水沟<FONT face="Times New Roman"> </FONT>≥<FONT face="Times New Roman">0.8 <p></p></FONT></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt"><p><FONT face="Times New Roman"> </FONT></p></P><P 0cm 0cm 0pt">光缆下要垫一层三七土,上面加盖弧形瓦后埋土即可。<p></p></P> |