生态环境灾变链式理论原创结构梗概

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1、第25卷增1岩石力学与工程学报Vol.25Supp.12006年2月ChineseJournalofRockMechanicsandEngineeringFeb.，2006生态环境灾变链式理论原创结构梗概肖盛燮(重庆交通大学防灾减灾工程研究所，重庆400074)摘要：以生态环境格局形成灾害的共性为主要探索背景，拟在统观灾害全局基础上提升到构建灾害链式系统理论为研究宗旨。揭示自然状态偏离人类活动的成灾链式规律实质；构建反映崩裂滑移链、周期循环链、支干流域链等链式理论模型；将模型特征参数按形成破坏力程度与机制划分灾变形态的链式阶段；抓住

2、早期孕育阶段尚未构成破坏力的长过程，立足于从源头上遏制灾害蔓延，建立孕源断链减灾模式与机制；通过崩滑体示范工程耦合过程参数指标提取，借助不同时空尺度物质和能量传输与力学行为嵌套模型，拓展可视化动态演绎平台对灾害过程浓缩和灾后追踪模拟的功能，以获取早期断链减灾的参数极限指标。该项目研究形成灾害链的理论新体系格局，开创了灾害链式的理论体系。关键词：灾害及其防治；灾变链式理论；原创结构；链式类型特征；链式阶段特性；孕源断链减灾中图分类号：X4文献标识码：A文章编号：1000–6915(2006)增1–2593–10ORIGINALITYS

3、TRUCTURESKETCHONCHAIN-STYLEDTHEORYOFDISASTERINECO-ENVIRONMENTXIAOShengxie(ResearchInstituteofDisasterPreventionandMitigationEngineering，ChongqingJiaotongUniversity，Chongqing400074，China)Abstract：Thecommonnessofthedisasterintheeco-environmentpatternistakenasthispaper′sm

4、ainexploringbackground.Thispaper′sresearchingfocusistoconstructthechain-styledsystemictheoryofthedisasteronthebasisofconsideringalldisasters.Thematerialityofthedisasterruleiscovered，becausethemanactivityisoutofthenaturestate.Thechain-styledtheoreticmodels，suchasburstin

5、gapartandslippagechain，periodicityrepetitionchain，andbranch-haulmdrainageareachain，areproposed.Theparametersinthesemodelsaredividedintothechain-styledphasesofthedisasterbythedegreeandmechanismofthefragmentationforce.Topreventthedisasterspreadingfromtheheadstream，clutch

6、ingatthelongestprocessoftheinchoategestationphase，themodeandmechanismofthemitigationdisasterbycuttingthedisasterchainintheheadstreamarefounded.Withthecoupledprocessparameterspickedupinburstingapartandslippagerockdemonstrationengineering，andusingthenestingmodelofthemech

7、anicsbehaviorandtransmissionbetweentheenergyandmatterwiththedifferentspace-timescales，thefunctionsofsimulatingthedisasterafterthedisasterandofconcentratingthedisasterprocessareopenedupbythevideodynamicdeductionsystemtogetthehigh-pointparametersofthemitigationdisasterin

8、theinchoategestationphase.Thisprojectformsthenewsystemictheorypatternofthedisasterchain，andinitiatesthesysteminformat