?? 施工放樣方法.htm
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lang=EN-US style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">q = 2T
</SPAN><SPAN style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">–<SPAN
lang=EN-US> L <o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21.75pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-FAMILY: 宋體">②<SPAN lang=EN-US><SPAN style="mso-spacerun: yes">
</SPAN></SPAN></SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">圓曲線主要點(diǎn)里程的計(jì)算<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21.75pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">圓曲線的主要點(diǎn)包括：<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="TEXT-INDENT: 36pt; LINE-HEIGHT: 150%; mso-char-indent-count: 3.0"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">ZY</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">點(diǎn)（直圓點(diǎn)）：直線與圓曲線的連接點(diǎn)；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="TEXT-INDENT: 36pt; LINE-HEIGHT: 150%; mso-char-indent-count: 3.0"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">QZ</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">點(diǎn)（曲中點(diǎn)）：圓曲線的中點(diǎn)；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="TEXT-INDENT: 36pt; LINE-HEIGHT: 150%; mso-char-indent-count: 3.0"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">YZ</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">點(diǎn)（圓直點(diǎn)）：圓曲線與直線的連接點(diǎn)。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">其主要點(diǎn)的里程，可自交點(diǎn)<SPAN
lang=EN-US>JD</SPAN>的里程計(jì)算得到。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="TEXT-INDENT: 33pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.75"><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">JD</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">–<SPAN lang=EN-US> T
= ZY<SPAN
style="mso-spacerun: yes">
</SPAN><SPAN class=SpellE>ZY</SPAN> + L/2 = QZ<SPAN
style="mso-spacerun: yes">
</SPAN><SPAN class=SpellE>QZ</SPAN> + L/2 = YZ<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 150%"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">2.2 </SPAN></B><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">有緩和曲線的圓曲線的測設(shè)<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P class=MsoNormal
style="TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; MARGIN-RIGHT: 71.2pt; mso-para-margin-right: 6.78gd; mso-char-indent-count: 2.0"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">緩和曲線是設(shè)置在直線和圓曲線之間的一種線型。當(dāng)在直線與圓曲線之間嵌入緩和曲線后，其曲率半徑由無窮大（與直線連接處）逐漸變化到圓曲線的半徑<SPAN
lang=EN-US>R</SPAN>（與圓曲線連接處）。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN-LEFT: 45pt; TEXT-INDENT: -24pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo2; tab-stops: list 45.0pt"><![if !supportLists]><SPAN
lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體"><SPAN
style="mso-list: Ignore">①<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><![endif]><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">曲線要素及其計(jì)算<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">曲線要素可以用下列公式求得：<SPAN
lang=EN-US><BR><SPAN style="mso-spacerun: yes">
</SPAN><SPAN style="POSITION: relative; TOP: 12pt; mso-text-raise: -12.0pt"><!--[if gte vml 1]><v:shape
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style="mso-tab-count: 2"> </SPAN><SPAN
style="POSITION: relative; TOP: 12pt; mso-text-raise: -12.0pt"><!--[if gte vml 1]><v:shape
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style="mso-spacerun: yes"> </SPAN><SPAN
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</SPAN><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="POSITION: relative; TOP: 5pt; mso-text-raise: -5.0pt"><!--[if gte vml 1]><v:shape
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style="mso-tab-count: 1"></SPAN><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">式中：<SPAN
lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN
style="POSITION: relative; TOP: 3pt; mso-text-raise: -3.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1044 style="WIDTH: 12pt; HEIGHT: 11.25pt" o:ole="" type =
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</xml><![endif]--></SPAN>為偏角（線路轉(zhuǎn)向角）；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="POSITION: relative; TOP: 2pt; mso-text-raise: -2.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1045 style="WIDTH: 12pt; HEIGHT: 12.75pt" o:ole="" type =
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style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">為圓曲線半徑；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體"><SPAN
style="mso-spacerun: yes">
</SPAN><SPAN style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><!--[if gte vml 1]><v:shape
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"#_x0000_t75" coordsize = "21600,21600"><v:imagedata o:title="" src =
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src="施工放樣方法.files/image026.gif" v:shapes="_x0000_i1046"><![endif]></SPAN><!--[if gte mso 9]><xml>
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style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體">為緩和曲線長度；<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 21pt; LINE-HEIGHT: 150%"><SPAN lang=EN-US
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋體"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-tab-count: 2"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="POSITION: relative; TOP: 3pt; mso-text-raise: -3.0pt"><!--[if gte vml 1]><v:shape
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