A new elastoplastic model for jointed rock

YANG Wan-tuo; YU Tian-tang

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A new elastoplastic model for jointed rock

更新时间：2026-06-25

- A new elastoplastic model for jointed rock
- Vol. 24, Issue 2, (2003)
- 作者机构：
  
  1. 南京市人防工程建设管理所,江苏,南京,210008
  2. 河海大学土木工程学院,江苏,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU45
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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YANG Wan-tuo, YU Tian-tang. A new elastoplastic model for jointed rock[J]. 2003, 24(2).
DOI：

YANG Wan-tuo, YU Tian-tang. A new elastoplastic model for jointed rock[J]. 2003, 24(2). DOI：

摘要

提出一种节理裂隙岩体弹塑性模型，将结构划分为块体单元和缝单元，其中缝单元可以是实际节理裂隙，也可以是人为缝单元。以块体单元形心的刚体位移和块体的平均应变作为基本未知量。该模型能充分考虑节理裂隙材料和块体材料的本构关系，计算量不大，是一种位移不协调单元。该模型特别适合节理裂隙岩体的数值分析。

Abstract

A new elastoplastic model for jointed rock is presented. The structure is divided into block elements and fault elements

which are real joint elements or artificial fault elements. The basic unknown quantities are the rigid displacements and the average strains of the block elements. The constitutive laws of joint material and block material can be fully considered in the model. The cost of computation is low. It is a discontinuous element for displacement. The model is suited to numerical analysis of jointed rock.

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