📄 施工放样方法.htm
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style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">为加设缓和曲线后使切线增长的距离；<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: 宋体"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
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style="mso-spacerun: yes"> </SPAN><SPAN
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style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">为加设缓和曲线后圆曲线相对于切线的内增量；<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: 宋体"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-tab-count: 2"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
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style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">为<SPAN
lang=EN-US>HY</SPAN>点（或<SPAN lang=EN-US>YH</SPAN>点）的缓和曲线角度。<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: 宋体">其中，<SPAN
lang=EN-US><SPAN style="POSITION: relative; TOP: 3pt; mso-text-raise: -3.0pt"><!--[if gte vml 1]><v:shape
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<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1050"
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</xml><![endif]--></SPAN>、<SPAN lang=EN-US><SPAN
style="POSITION: relative; TOP: 5pt; mso-text-raise: -5.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1051 style="WIDTH: 12pt; HEIGHT: 12.75pt" o:ole="" type =
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src="施工放样方法.files/image030.gif" v:shapes="_x0000_i1051"><![endif]></SPAN><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1051"
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</xml><![endif]--></SPAN>、<SPAN lang=EN-US><SPAN
style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1052 style="WIDTH: 15.75pt; HEIGHT: 18pt" o:ole="" type =
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src="施工放样方法.files/image033.gif" v:shapes="_x0000_i1052"><![endif]></SPAN><!--[if gte mso 9]><xml>
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</xml><![endif]--></SPAN>称为缓和曲线参数，可按下式计算：<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-spacerun: yes"> </SPAN><SPAN
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</SPAN><SPAN style="mso-tab-count: 1">
</SPAN><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: 宋体; mso-bidi-font-family: 宋体"><SPAN
style="mso-list: Ignore">②<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><![endif]><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">有圆曲线的缓和曲线主要点及其里程的计算<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt; LINE-HEIGHT: 150%"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">有缓和曲线的圆曲线，其主要点为：<SPAN
lang=EN-US><BR>ZH</SPAN>（直缓点）：直线和缓和曲线的连接点；<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: 宋体">HY</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">（缓圆点）：缓和曲线和圆曲线的连接点；<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: 宋体">QZ</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">（曲中点）：曲线的中点；<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: 宋体">YH</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">（缓圆点）：圆曲线和缓和曲线的连接点；<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: 宋体">HZ</SPAN><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">（缓直点）：缓和曲线与直线的连接点。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 71.2pt 0pt 33pt; TEXT-INDENT: -12pt; LINE-HEIGHT: 150%; mso-para-margin-right: 6.78gd; mso-char-indent-count: -1.0; mso-para-margin-left: 2.0gd; mso-para-margin-top: 0cm; mso-para-margin-bottom: .0001pt"><SPAN
style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">曲线要素确定后，就可以根据交点<SPAN
lang=EN-US>JD</SPAN>的里程推算出主要点的里程。计算如下：<SPAN lang=EN-US> <BR>JD</SPAN>–<SPAN
lang=EN-US> T = ZH<SPAN
style="mso-spacerun: yes">
</SPAN><SPAN class=SpellE>ZH</SPAN> + <SPAN
style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1056 style="WIDTH: 11.25pt; HEIGHT: 18pt" o:ole="" type =
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src="施工放样方法.files/image026.gif" v:shapes="_x0000_i1056"><![endif]></SPAN><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1056"
DrawAspect="Content" ObjectID="_1238999736">
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</xml><![endif]--><SPAN style="mso-spacerun: yes"> </SPAN>= HY<SPAN
style="mso-spacerun: yes"> </SPAN>ZH +
L/2 = QZ<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 30pt; mso-char-indent-count: 2.5"><SPAN
lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">QZ + L/2 = HZ<SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
class=SpellE>HZ</SPAN> - <SPAN
style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><!--[if gte vml 1]><v:shape
id=_x0000_i1057 style="WIDTH: 11.25pt; HEIGHT: 18pt" o:ole="" type =
"#_x0000_t75" coordsize = "21600,21600"><v:imagedata o:title="" src =
"施工放样方法.files/image050.wmz"></v:imagedata></v:shape><![endif]--><![if !vml]><img width=15 height=24
src="施工放样方法.files/image026.gif" v:shapes="_x0000_i1057"><![endif]></SPAN><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1057"
DrawAspect="Content" ObjectID="_1238999738">
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</xml><![endif]--><SPAN style="mso-spacerun: yes"> </SPAN>= YH<SPAN
style="mso-spacerun: yes"> </SPAN>YZ +
L/2 = YZ</SPAN><SPAN lang=EN-US
style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><SPAN
style="POSITION: relative; TOP: 5pt; mso-text-raise: -5.0pt"><!--[if gte vml 1]><v:shape
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src="施工放样方法.files/image047.gif" v:shapes="_x0000_i1058"><![endif]></SPAN><!--[if gte mso 9]><xml>
<o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1058"
DrawAspect="Content" ObjectID="_1238999739">
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</xml><![endif]--></SPAN><SPAN lang=EN-US
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p></o:p></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: 宋体">2.3 </SPAN></B><B
style="mso-bidi-font-weight: normal"><SPAN
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