Article(id=1307086363778642747, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, articleNumber=null, orderNo=null, doi=10.12401/j.nwg.2025078, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745942400000, receivedDateStr=2025-04-30, revisedDate=1747670400000, revisedDateStr=2025-05-20, acceptedDate=1747670400000, acceptedDateStr=2025-05-20, onlineDate=1789563273614, onlineDateStr=2026-09-16, pubDate=1776614400000, pubDateStr=2026-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789563273614, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789563273614, creator=13701087609, updateTime=1789563273614, updator=13701087609, issue=Issue{id=1307086317918122434, tenantId=1146029695717560320, journalId=1306274195778404443, year='2026', volume='59', issue='2', pageStart='1', pageEnd='328', issueExtLink='null', onlineDate='null', pubDate='1776614400000', pubDateStr='2026-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789563262680, creator='13701087609', updateTime=1789616239746, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307308519917638393, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307308519917638394, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=91, endPage=98, ext={EN=ArticleExt(id=1307086363958997820, articleId=1307086363778642747, tenantId=1146029695717560320, journalId=1306274195778404443, language=EN, title=Experimental Study on Enzyme-Induced Calcium Carbonate Precpitation Solidification of Desert Sand, columnId=null, journalTitle=Northwestern Geology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Although certain achievements have been made in desertification control in China, the fragile ecological attributes of sandy lands have not been fundamentally altered. This study systematically investigates the bio-reinforcement mechanism and engineering applicability of desert sand based on Enzyme-Induced Calcium Carbonate Precipitation (EICP) technology using soybean urease. Through regulating soybean powder solution concentration, standing time, temperature, and pH, we revealed the regulation mechanism of urease activity. Single-factor experiments with varying enzyme-to-gelatin ratios, cementing solution concentrations, and spraying volumes of reaction solution were conducted to examine their effects on surface strength, calcium carbonate content, and cured layer thickness of desert sand. Finally, water retention tests were performed to evaluate the application performance of EICP-treated aeolian sand. Results demonstrate that soybean powder concentration, temperature, and pH significantly influence urease activity, with maximum activity achieved at 100 g/L soybean powder concentration, 45°C, pH=7, and 12 hour standing time. The effects of enzyme-to-gelatin ratio and cementing solution concentration on reinforcement indicators (surface strength, CaCO3 content, cured layer thickness) followed an initial increase followed by decrease pattern, peaking at enzyme-to-gelatin ratio 1∶1, cementing solution concentration 1.25 mol/L, and reaction solution spraying volume 5 L/m2. Water retention tests revealed that cementing solution concentration and spraying volume are critical factors in controlling CaCO3 crystal formation to fill sand particle pores, achieving maximum water retention enhancement of 42% and significantly inhibiting water evaporation.
, authors=Jian XU
1, 2, Zihan LI
1, Yonghao LIU
1, Xihu LI
1, authorsList=Jian XU, Zihan LI, Yonghao LIU, Xihu LI, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Northwestern Geology. All rights reserved., 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, fund=null), CN=ArticleExt(id=1307086368182661975, articleId=1307086363778642747, tenantId=1146029695717560320, journalId=1306274195778404443, language=CN, title=酶促碳酸钙沉淀(EICP)固化沙漠沙试验研究, columnId=1307086318673097157, journalTitle=西北地质, columnName=西北地区环境岩土工程问题研究, runingTitle=null, highlight=null, articleAbstract=
中国沙漠化防治虽取得一定成效,但沙地脆弱的生态环境属性尚未根本改变。基于大豆脲酶诱导碳酸钙沉淀(EICP)技术,系统解析沙漠沙生物加固机理及工程适用性;通过调控豆粉溶液浓度、静置时间、温度和pH值,揭示脲酶活性调控规律;在单因素试验中设置不同酶胶比、胶结液浓度和反应液喷洒量,探究其对沙漠沙的表面强度、碳酸钙含量及固化层厚度的影响;以保水性试验考察EICP技术固化沙漠风积沙的应用性能。结果表明:豆粉浓度、温度和pH值对脲酶活性产生显著影响,在豆粉浓度为100 g/L、45℃、pH=7的条件下静置12 h时脲酶活性最高;酶胶比与胶结液浓度对固化性能指标(表面强度、碳酸钙含量、固化层厚度)的影响呈现先增大后减小的趋势:在酶胶比1∶1、胶结液浓度1.25 mol/L、反应液喷洒量5 L/m2时指标达到峰值。保水性试验证明,胶结液浓度和喷洒量是调控生成碳酸钙晶体填充沙粒孔隙的关键因素,保水率最高提升42%,显著抑制水分蒸发。
, authors=许健
1, 2, 李子汉
1, 刘永昊
1, 李喜虎
1, authorsList=许健, 李子汉, 刘永昊, 李喜虎, authorCompany=null, correspAuthors=null, authorNote=
, correspAuthorsNote=null, copyrightStatement=版权所有©《西北地质》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=5yJeJ6mCnoVV/s/qde1cqg==, magXml=WPEqCOKou8UKAXhBtnvUkg==, pdfUrl=null, pdf=YQeptsowo1hdCzjCJtDxNw==, pdfFileSize=3009916, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=AQKeVKDLRiXJhr33yRb0Ow==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=wcIkV+sFIKYuqc9gFFC76Q==, mapNumber=null, fund=null)}, authors=[Author(id=1307086368568537951, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xujian@xauat.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086368652424034, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, authorId=1307086368568537951, language=EN, stringName=Jian XU, firstName=Jian, middleName=null, lastName=XU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China
2Shaanxi Key Laboratory of Geotechnical and Underground Space Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086368757281635, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, authorId=1307086368568537951, language=CN, stringName=许健, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1西安建筑科技大学土木工程学院,陕西 西安 710055
2西安建筑科技大学,陕西省岩土与地下空间工程重点实验室,陕西 西安 710055, bio={"content":"
许健(1980−),男,教授,博士研究生导师,主要从事特殊土力学与环境岩土工程研究。E–mail:xujian@xauat.edu.cn
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许健(1980−),男,教授,博士研究生导师,主要从事特殊土力学与环境岩土工程研究。E–mail:xujian@xauat.edu.cn
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Evaluation on Dune Stabilization Plant Stand Condition al ong Takilamakan Desert Highway[J]. Journal of Desert Research, 2006, 26(1): 131−136., articleTitle=null, refAbstract=null), Reference(id=1307086377158472602, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=2, rfOrder=2, authorNames=null, journalName=null, refType=null, unstructuredReference=程金开. 大豆脲酶诱导碳酸钙沉淀对沙岩细观结构及力学特性影响的试验研究[D]. 西安: 西安建筑科技大学, 2023., articleTitle=null, refAbstract=null), Reference(id=1307086377225581467, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=2, rfOrder=3, authorNames=null, journalName=null, refType=null, unstructuredReference=CHENG Jinkai. 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3 precipitation for the production of Biocement[D]. Western Australia: Murdoch University, 2004., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1307086368392377176, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, xref=1, ext=[AuthorCompanyExt(id=1307086368400765785, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, companyId=1307086368392377176, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China), AuthorCompanyExt(id=1307086368409154394, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, companyId=1307086368392377176, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1西安建筑科技大学土木工程学院,陕西 西安 710055)]), AuthorCompany(id=1307086368480457563, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, xref=2, ext=[AuthorCompanyExt(id=1307086368488846172, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, companyId=1307086368480457563, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Shaanxi Key Laboratory of Geotechnical and Underground Space Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China), AuthorCompanyExt(id=1307086368501429085, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, companyId=1307086368480457563, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西安建筑科技大学,陕西省岩土与地下空间工程重点实验室,陕西 西安 710055)])], figs=[ArticleFig(id=1307086373190660992, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.1, caption=
Schematic diagram of EICP reaction mechanism, figureFileSmall=oWUCsxt1Ebh4caZI+6MeRg==, figureFileBig=AQKeVKDLRiXJhr33yRb0Ow==, tableContent=null), ArticleFig(id=1307086373429736321, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图1, caption=
EICP反应机理示意图(程金开,2023), figureFileSmall=oWUCsxt1Ebh4caZI+6MeRg==, figureFileBig=AQKeVKDLRiXJhr33yRb0Ow==, tableContent=null), ArticleFig(id=1307086373660423042, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.2, caption=
Grain size distribution of the desert sand, figureFileSmall=tGS4krrkuSbDlJhczRPi/w==, figureFileBig=A/oW+4Mn2p1Wm1RXjr17HQ==, tableContent=null), ArticleFig(id=1307086373849166723, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图2, caption=
沙漠沙颗粒级配曲线, figureFileSmall=tGS4krrkuSbDlJhczRPi/w==, figureFileBig=A/oW+4Mn2p1Wm1RXjr17HQ==, tableContent=null), ArticleFig(id=1307086373912081284, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.3, caption=
Variation of soybean urease activity with soy flour concentration, figureFileSmall=fU5bQyTWnoVc7f7mrYlItw==, figureFileBig=LoH0IDeo98VJAvI4ZgHMNQ==, tableContent=null), ArticleFig(id=1307086373979190149, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图3, caption=
大豆脲酶活性随豆粉浓度变化规律, figureFileSmall=fU5bQyTWnoVc7f7mrYlItw==, figureFileBig=LoH0IDeo98VJAvI4ZgHMNQ==, tableContent=null), ArticleFig(id=1307086374054687622, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.4, caption=
Variation of urease activity with standing time, figureFileSmall=gzAKseSM1ssb3SoaYKVZeg==, figureFileBig=CrFKDlECPMXATrTrj9cKJQ==, tableContent=null), ArticleFig(id=1307086374276985735, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图4, caption=
脲酶活性随静置时间变化规律图, figureFileSmall=gzAKseSM1ssb3SoaYKVZeg==, figureFileBig=CrFKDlECPMXATrTrj9cKJQ==, tableContent=null), ArticleFig(id=1307086375770157960, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.5, caption=
Variation of urease activity with temperature, figureFileSmall=8W6vzt8hzjJg2NGuYMAPOg==, figureFileBig=K9zAQRwlQMdk76zJoOMJBQ==, tableContent=null), ArticleFig(id=1307086375845655433, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图5, caption=
脲酶活性随温度变化规律, figureFileSmall=8W6vzt8hzjJg2NGuYMAPOg==, figureFileBig=K9zAQRwlQMdk76zJoOMJBQ==, tableContent=null), ArticleFig(id=1307086375912764298, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.6, caption=
pH Dependence of Urease Activity, figureFileSmall=H7LnlNnZLiuAsn5D6E2xWA==, figureFileBig=XAlcg4l7aT4n1yvKsxr+cA==, tableContent=null), ArticleFig(id=1307086375988261771, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图6, caption=
脲酶活性随pH值变化规律图, figureFileSmall=H7LnlNnZLiuAsn5D6E2xWA==, figureFileBig=XAlcg4l7aT4n1yvKsxr+cA==, tableContent=null), ArticleFig(id=1307086376046982028, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.7, caption=
Effect of enzyme-cementation ratio on the EICP-treated sand, figureFileSmall=trFNC8TnI3kH05/BXpVFGA==, figureFileBig=zhITkEZ0Q5vs6PxsnpxIvA==, tableContent=null), ArticleFig(id=1307086376130868109, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图7, caption=
酶胶比影响规律, figureFileSmall=trFNC8TnI3kH05/BXpVFGA==, figureFileBig=zhITkEZ0Q5vs6PxsnpxIvA==, tableContent=null), ArticleFig(id=1307086376197976974, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.8, caption=
Effect of cementation solution concentration on the EICP-treated sand, figureFileSmall=AHnLNDcpneDLFKcg4NEaWQ==, figureFileBig=/L/kmh79lW46gKOnDn44eQ==, tableContent=null), ArticleFig(id=1307086376365749135, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图8, caption=
胶结液浓度影响规律, figureFileSmall=AHnLNDcpneDLFKcg4NEaWQ==, figureFileBig=/L/kmh79lW46gKOnDn44eQ==, tableContent=null), ArticleFig(id=1307086376428663696, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.9, caption=
Effect of spraying volume of reaction solution on the EICP-treated sand, figureFileSmall=9MTl4+CK48vHEB/P/xYVsQ==, figureFileBig=frGweppsIPgzCrmXohCN5A==, tableContent=null), ArticleFig(id=1307086376499966865, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图9, caption=
反应液喷洒量影响规律, figureFileSmall=9MTl4+CK48vHEB/P/xYVsQ==, figureFileBig=frGweppsIPgzCrmXohCN5A==, tableContent=null), ArticleFig(id=1307086376571270034, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Fig.10, caption=
Variation of water retention rate in EICP-treated sand, figureFileSmall=wjbcLxJNsqTo8BMwCE7XGQ==, figureFileBig=KpqSNGg8Bzti7bWoVFm3aA==, tableContent=null), ArticleFig(id=1307086376642573203, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=图10, caption=
EICP保水率变化规律a. 不同胶结液浓度下的试样;b. 不同反应液喷洒量下的试样
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Properties of desert sand
, figureFileSmall=null, figureFileBig=null, tableContent=
天然含 水率(%) | 松散堆积 密度(g/cm³) | 紧密堆积 密度(g/cm³) | 比重 | 易溶盐 含量(g/kg) |
| 0.27 | 1.51 | 1.57 | 2.69 | 3.99 |
), ArticleFig(id=1307086376768402325, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=CN, label=表1, caption=
沙漠沙性质
, figureFileSmall=null, figureFileBig=null, tableContent=
天然含 水率(%) | 松散堆积 密度(g/cm³) | 紧密堆积 密度(g/cm³) | 比重 | 易溶盐 含量(g/kg) |
| 0.27 | 1.51 | 1.57 | 2.69 | 3.99 |
), ArticleFig(id=1307086376831316886, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086363778642747, language=EN, label=Tab.2, caption=
Single factor test conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 酶胶比 | 胶结液浓度 (mol/L) | 反应液喷洒量 (L/m2) |
0、1∶2、2∶3、1∶1、 3∶2、2∶1、5∶2 | 1 | 5 |
| 1∶1 | 0.25、0.5、0.75、 1、1.25、1.5、1.75 | 5 |
| 1∶1 | 1 | 3、5、7、9、11 |
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单因素试验工况
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| 酶胶比 | 胶结液浓度 (mol/L) | 反应液喷洒量 (L/m2) |
0、1∶2、2∶3、1∶1、 3∶2、2∶1、5∶2 | 1 | 5 |
| 1∶1 | 0.25、0.5、0.75、 1、1.25、1.5、1.75 | 5 |
| 1∶1 | 1 | 3、5、7、9、11 |
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