Article(id=1149744591479423996, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590489568247, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.02.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1673193600000, receivedDateStr=2023-01-09, revisedDate=1699200000000, revisedDateStr=2023-11-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1752050071830, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752050071830, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752050071830, creator=13701087609, updateTime=1752050071830, updator=13701087609, issue=Issue{id=1149744590489568247, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='2', pageStart='1', pageEnd='145', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752050071594, creator=13701087609, updateTime=1753780157843, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157001098214068362, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590489568247, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157001098214068363, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590489568247, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=92, endPage=98, ext={EN=ArticleExt(id=1149744591785608191, articleId=1149744591479423996, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Structure and Performance Evaluation of Prestressed Steel Strut Capable Against Tensile and Compressive Stresses, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
Traditional steel struts cannot be tensioned, and the construction of concrete struts is complex and generates considerable construction waste during the demolition phase. Therefore, prestressed steel struts capable against tensile and compressive stresses have been invented. The performance evaluation results of mechanics, construction adaptability, and cost with a prestressed steel strut capable against tensile and compressive stresses show that its compression bearing capacity is the same as that of a traditional steel strut and equivalent to that of a concrete strut. Furthermore, its tensile and strut stiffness performances are equivalent to those of a concrete strut and superior to those of a traditional steel strut. Its construction convenience is equivalent to that of a traditional steel strut and 20%30% lower than that of a concrete strut. The first concrete strut replaced by a prestressed steel strut capable against tensile and compressive stresses for metro excavations can not only ensure technical performance but also result in better economic and social benefits.
, correspAuthors=Jinzhu ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Jinzhu ZHANG, Jianliang ZHANG, Yanchuan LI), CN=ArticleExt(id=1149744606755078741, articleId=1149744591479423996, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=可拉压预应力钢支撑结构及其性能评价, columnId=1152669336603898239, journalTitle=都市快轨交通, columnName=土建技术, runingTitle=null, highlight=null, articleAbstract=
针对传统钢支撑不能受拉、混凝土支撑工序复杂且拆除产生大量建筑垃圾等问题,研发可拉压预应力钢支撑结构。对可拉压预应力钢支撑结构进行技术评价及造价对比,结果表明:其抗压承载力与传统钢支撑相同,与混凝土支撑相当;抗拉性能及支撑刚度与混凝土支撑相当,优于传统钢支撑;施工便捷性与传统钢支撑相当,优于混凝土支撑;造价与传统钢支撑相当,比混凝土支撑低20%~30%。在地铁基坑工程中,首道支撑采用可拉压预应力钢支撑,相比混凝土支撑,在保证支护效果的同时,能够产生更好的经济效益和社会效益。
, correspAuthors=张金柱, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=OJ3xbP9yTScFLy3C/cyrng==, magXml=r/S3Ga6DjxxNcIC41jDKEQ==, pdfUrl=null, pdf=IFTiDQ785UvVRoKv+JAZpg==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=6SH34EqM8rJIvFcEHT+66w==, mapNumber=null, authorCompany=null, fund=null, authors=
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2017., articleTitle=null, refAbstract=null)], funds=[Fund(id=1154040344002945175, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, awardId=201703D121031, language=CN, fundingSource=山西省重点研发计划(201703D121031), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154040337929592852, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, xref=null, ext=[AuthorCompanyExt(id=1154040337937981461, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, companyId=1154040337929592852, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Beijing Urban Construction Xinjie Rail Transit Engineering Consultation Co., Ltd. Beijing 100045), AuthorCompanyExt(id=1154040339699589142, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, companyId=1154040337929592852, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=北京城建信捷轨道交通工程咨询有限公司 北京 100045)])], figs=[ArticleFig(id=1154040341935153244, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 1, caption=
General assembly drawing of a prestressed steel strut capable against tensile and compressive stresses, figureFileSmall=/MiCyxmQ82keiz+Lyj+Z4Q==, figureFileBig=R87YHB7bcy+B/6CeYYUfew==, tableContent=null), ArticleFig(id=1154040341993873502, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 1, caption=
可拉压预应力钢支撑总装图, figureFileSmall=/MiCyxmQ82keiz+Lyj+Z4Q==, figureFileBig=R87YHB7bcy+B/6CeYYUfew==, tableContent=null), ArticleFig(id=1154040342044205152, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 2, caption=
Main parts of the structure, figureFileSmall=E3OYZi3gmxZi53ZMluVjjg==, figureFileBig=AW9mcWypujMqxJpk/+vOZA==, tableContent=null), ArticleFig(id=1154040342107119714, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 2, caption=
结构主要零件, figureFileSmall=E3OYZi3gmxZi53ZMluVjjg==, figureFileBig=AW9mcWypujMqxJpk/+vOZA==, tableContent=null), ArticleFig(id=1154040342157451364, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 3, caption=
Auxiliary parts of the structure, figureFileSmall=Ioji81Y+raEATUhHVjAAQw==, figureFileBig=lL4WJF/d8MJqQG52LWxItw==, tableContent=null), ArticleFig(id=1154040342220365926, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 3, caption=
结构辅助构件, figureFileSmall=Ioji81Y+raEATUhHVjAAQw==, figureFileBig=lL4WJF/d8MJqQG52LWxItw==, tableContent=null), ArticleFig(id=1154040342274891880, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 4, caption=
Construction install diagram, figureFileSmall=OnQVLtsG7/TQZOkFlQ3zEQ==, figureFileBig=+rrfroqbe3jHTPxzLnrodA==, tableContent=null), ArticleFig(id=1154040342329417834, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 4, caption=
安装步序, figureFileSmall=OnQVLtsG7/TQZOkFlQ3zEQ==, figureFileBig=+rrfroqbe3jHTPxzLnrodA==, tableContent=null), ArticleFig(id=1154040342379749484, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 5, caption=
Construction demolition diagram, figureFileSmall=6EewupHSEWPQIT7arGgh7A==, figureFileBig=dXdwvZP7hq3cmeKLfLuirA==, tableContent=null), ArticleFig(id=1154040342438469742, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 5, caption=
拆除步序, figureFileSmall=6EewupHSEWPQIT7arGgh7A==, figureFileBig=dXdwvZP7hq3cmeKLfLuirA==, tableContent=null), ArticleFig(id=1154040342513967216, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 6, caption=
Pressure transmission path, figureFileSmall=fCsy6jI/ucyXRDSCb7oTPg==, figureFileBig=ZzqGIXI43ln+9jxkXD3v/g==, tableContent=null), ArticleFig(id=1154040342572687473, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 6, caption=
压力传递路径, figureFileSmall=fCsy6jI/ucyXRDSCb7oTPg==, figureFileBig=ZzqGIXI43ln+9jxkXD3v/g==, tableContent=null), ArticleFig(id=1154040342618824818, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 7, caption=
Tension transmission path, figureFileSmall=phi81AvubUVACDNgjK1Nvw==, figureFileBig=HcU+gttfzXBhbdgAYdsSYg==, tableContent=null), ArticleFig(id=1154040342669156467, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 7, caption=
拉力传递路径, figureFileSmall=phi81AvubUVACDNgjK1Nvw==, figureFileBig=HcU+gttfzXBhbdgAYdsSYg==, tableContent=null), ArticleFig(id=1154040342732071028, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 8, caption=
Calculation section steel strut equivalent section of variable, figureFileSmall=N8Q9/CezrxWLlx+mGmU8OQ==, figureFileBig=psPrBDeErFvzdbEwDkb9eg==, tableContent=null), ArticleFig(id=1154040342799179893, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 8, caption=
变截面撑计算等效截面, figureFileSmall=N8Q9/CezrxWLlx+mGmU8OQ==, figureFileBig=psPrBDeErFvzdbEwDkb9eg==, tableContent=null), ArticleFig(id=1154040342849511542, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 9, caption=
Computation model of L-shaped baffle, figureFileSmall=Mfo/rpOsBL/65+8wA9C43w==, figureFileBig=HBhpVVDtvpyOfrAdR328MA==, tableContent=null), ArticleFig(id=1154040342904037495, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 9, caption=
$\mathrm{\;L}$ 型挡板计算模型, figureFileSmall=Mfo/rpOsBL/65+8wA9C43w==, figureFileBig=HBhpVVDtvpyOfrAdR328MA==, tableContent=null), ArticleFig(id=1154040342954369144, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 10, caption=
Length adjustment diagram, figureFileSmall=xwr+z+l+Idid3OFTMgMdcw==, figureFileBig=itS18nJVL4A35K3PFn9Ncw==, tableContent=null), ArticleFig(id=1154040343004700793, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 10, caption=
长度调节示意, figureFileSmall=xwr+z+l+Idid3OFTMgMdcw==, figureFileBig=itS18nJVL4A35K3PFn9Ncw==, tableContent=null), ArticleFig(id=1154040343055032442, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 11, caption=
Long oval bolt hole of U-shaped slot and opening inverted trapezoid of L-shaped baffle, figureFileSmall=DnS2V9jaPWKTPVreBHMeFA==, figureFileBig=bqJ3uj7IW8wmOM1jCi1pXw==, tableContent=null), ArticleFig(id=1154040343109558395, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 11, caption=
U 型卡槽长椭圆螺栓孔及 L 型挡板倒梯形开口, figureFileSmall=DnS2V9jaPWKTPVreBHMeFA==, figureFileBig=bqJ3uj7IW8wmOM1jCi1pXw==, tableContent=null), ArticleFig(id=1154040343176667261, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Figure 12, caption=
Diagram of support structure layout, figureFileSmall=LrimrTqtcubOefcYRLTzMQ==, figureFileBig=DtzWX1DGX/mFx4c7Hj2n/g==, tableContent=null), ArticleFig(id=1154040343231193215, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=图 12, caption=
支撑结构布置示意, figureFileSmall=LrimrTqtcubOefcYRLTzMQ==, figureFileBig=DtzWX1DGX/mFx4c7Hj2n/g==, tableContent=null), ArticleFig(id=1154040343285719169, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Table 1, caption=
Model and size of main components, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 构件 | 型号/尺寸 |
| 1 | 圆钢管中间节 | ${\phi 800} \times \left( {{16} \sim {20}}\right) \mathrm{{mm}}$ |
| 2 | 方钢管端节 | ${400}\mathrm{\;{mm}} \times {500}\mathrm{\;{mm}}\left( {t = {30}\mathrm{\;{mm}}\text{,内侧加肋}}\right)$ |
| 3 | 钢管连接螺栓 | 8.8A 级 M27(24 根) |
| 4 | U 型卡槽 | t=40 mm(肋板厚 10 mm) |
| 5 | 预埋件预埋钢板 | $t = {20}\mathrm{\;{mm}}$ |
| 6 | 锚筋、高强螺栓 | ${12\phi 30}, f = {500}\mathrm{{MPa}}$ |
| 7 | 托架 | $t = {10}\mathrm{\;{mm}}$ |
| 8 | 填充材料 | 微膨胀细石混凝土 |
| 9 | 千斤顶 | 超薄千斤顶,含行程总厚度不大于 ${150}\mathrm{\;{mm}}$ |
), ArticleFig(id=1154040343369605251, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=表 1, caption=
主要构件型号、尺寸, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 构件 | 型号/尺寸 |
| 1 | 圆钢管中间节 | ${\phi 800} \times \left( {{16} \sim {20}}\right) \mathrm{{mm}}$ |
| 2 | 方钢管端节 | ${400}\mathrm{\;{mm}} \times {500}\mathrm{\;{mm}}\left( {t = {30}\mathrm{\;{mm}}\text{,内侧加肋}}\right)$ |
| 3 | 钢管连接螺栓 | 8.8A 级 M27(24 根) |
| 4 | U 型卡槽 | t=40 mm(肋板厚 10 mm) |
| 5 | 预埋件预埋钢板 | $t = {20}\mathrm{\;{mm}}$ |
| 6 | 锚筋、高强螺栓 | ${12\phi 30}, f = {500}\mathrm{{MPa}}$ |
| 7 | 托架 | $t = {10}\mathrm{\;{mm}}$ |
| 8 | 填充材料 | 微膨胀细石混凝土 |
| 9 | 千斤顶 | 超薄千斤顶,含行程总厚度不大于 ${150}\mathrm{\;{mm}}$ |
), ArticleFig(id=1154040343428325509, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Table 2, caption=
Characteristics of strut section, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑 断面 | 截面/mm | 净截面积/mm | 绕弱轴惯 性矩/c | 绕弱轴回转 半径/mm |
| 端节方钢管 | ${400} \times {500}\left( {t = {30}}\right)$ | 50 400 | 162 185 | 155.9 |
| 中间节圆 钢管 | ${\phi 800} \times {20}$ | 49009 | 372 957 | 275.9 |
| ${\phi 800} \times {16}$ | 39408 | 302 906 | 277.2 |
), ArticleFig(id=1154040343478657159, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=表 2, caption=
支撑截面特性, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑 断面 | 截面/mm | 净截面积/mm | 绕弱轴惯 性矩/c | 绕弱轴回转 半径/mm |
| 端节方钢管 | ${400} \times {500}\left( {t = {30}}\right)$ | 50 400 | 162 185 | 155.9 |
| 中间节圆 钢管 | ${\phi 800} \times {20}$ | 49009 | 372 957 | 275.9 |
| ${\phi 800} \times {16}$ | 39408 | 302 906 | 277.2 |
), ArticleFig(id=1154040343537377417, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Table 3, caption=
Comparison of compressive bearing capacity, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 截面/mm | 间距/ m | 单根受压 承载力/kN | 摊至基坑每延米的 受压承载力/kN |
| 混凝土支撑 | ${800} \times {1000}$ | 9 | 7 150 | 794 |
| 可拉压预应 力钢支撑/ 传统钢支撑 | ${\phi 800} \times {16}$ | 6 | 4 488 | 748 |
| ${\phi 800} \times {20}$ | 6 | 5 547 | 925 |
), ArticleFig(id=1154040343591903371, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=表 3, caption=
受压承载力比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 截面/mm | 间距/ m | 单根受压 承载力/kN | 摊至基坑每延米的 受压承载力/kN |
| 混凝土支撑 | ${800} \times {1000}$ | 9 | 7 150 | 794 |
| 可拉压预应 力钢支撑/ 传统钢支撑 | ${\phi 800} \times {16}$ | 6 | 4 488 | 748 |
| ${\phi 800} \times {20}$ | 6 | 5 547 | 925 |
), ArticleFig(id=1154040343642235021, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Table 4, caption=
Strut stiffness comparison, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 截面/mm | 支撑 长度/m | 支撑 间距/m | 单根支撑 轴力/kN | 单根支撑 刚度/ | 单侧压缩 变形/mm | 预加 轴力/kN | 预压缩 变形/mm | 围护顶水平 位移/mm |
| 混凝土支撑 | ${800} \times {1000}$ | 20 | 9 | 2700 | 2 400.00 | 1.13 | 0 | 0 | 1.13 |
| 钢支撑 | ${\phi 800} \times {16}$ | 20 | 6 | 1800 | 811.81 | 2.22 | 600 | 0.74 | 1.48 |
| ${\phi 800} \times {20}$ | 20 | 6 | 1800 | 1 009.58 | 1.78 | 600 | 0.59 | 1.19 |
), ArticleFig(id=1154040343734509711, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=表 4, caption=
支撑刚度比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 截面/mm | 支撑 长度/m | 支撑 间距/m | 单根支撑 轴力/kN | 单根支撑 刚度/ | 单侧压缩 变形/mm | 预加 轴力/kN | 预压缩 变形/mm | 围护顶水平 位移/mm |
| 混凝土支撑 | ${800} \times {1000}$ | 20 | 9 | 2700 | 2 400.00 | 1.13 | 0 | 0 | 1.13 |
| 钢支撑 | ${\phi 800} \times {16}$ | 20 | 6 | 1800 | 811.81 | 2.22 | 600 | 0.74 | 1.48 |
| ${\phi 800} \times {20}$ | 20 | 6 | 1800 | 1 009.58 | 1.78 | 600 | 0.59 | 1.19 |
), ArticleFig(id=1154040343789035665, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=EN, label=Table 5, caption=
Cost comparison, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 | 可回收钢结构 | 不可回收钢结构 | 钢筋混凝土/细石混凝土 | 单根撑 价格/元 | 摊至每延米基坑的 支撑价格/(元/m) |
| 截面/m | 质量/t | 单价(元/t) | 质量/t | 单价(元/t) | 体积/ | 单价(含拆除)/(元/ ) |
| 混凝土支撑 | ${800} \times {1000}$ | - | - | - | - | 16.0 | 1950(含钢筋) | 31 200 | 3467 |
| 传统钢支撑 | ${\phi 800} \times {16}$ | 6.9 | 1 800 | 0.31 | 6000 | - | - | 14 368 | 2 395 |
| ${\phi 800} \times {20}$ | 8.4 | 1 800 | 0.31 | 6000 | - | - | 17 081 | 2962 |
| 可拉压预应力 钢支撑 | ${\phi 800} \times {16}$ | 6.8 | 1800 | 0.31 | 6000 | 0.3 | 600 | 14 291 | 2382 |
| ${\phi 800} \times {20}$ | 8.3 | 1 800 | 0.31 | 6 000 | 0.3 | 600 | 16 964 | 2 827 |
), ArticleFig(id=1154040343847755923, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744591479423996, language=CN, label=表 5, caption=
造价比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 支撑类型 | 支撑 | 可回收钢结构 | 不可回收钢结构 | 钢筋混凝土/细石混凝土 | 单根撑 价格/元 | 摊至每延米基坑的 支撑价格/(元/m) |
| 截面/m | 质量/t | 单价(元/t) | 质量/t | 单价(元/t) | 体积/ | 单价(含拆除)/(元/ ) |
| 混凝土支撑 | ${800} \times {1000}$ | - | - | - | - | 16.0 | 1950(含钢筋) | 31 200 | 3467 |
| 传统钢支撑 | ${\phi 800} \times {16}$ | 6.9 | 1 800 | 0.31 | 6000 | - | - | 14 368 | 2 395 |
| ${\phi 800} \times {20}$ | 8.4 | 1 800 | 0.31 | 6000 | - | - | 17 081 | 2962 |
| 可拉压预应力 钢支撑 | ${\phi 800} \times {16}$ | 6.8 | 1800 | 0.31 | 6000 | 0.3 | 600 | 14 291 | 2382 |
| ${\phi 800} \times {20}$ | 8.3 | 1 800 | 0.31 | 6 000 | 0.3 | 600 | 16 964 | 2 827 |
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