balloon logging swelloing

Based on spherical cavity-expansion theory,empirical relation between concrete comprehensive dynamical strength parameter p sd and concrete unconfined compressive strength σ-b was established,by indentification method with penetration data for concrete.

在球形空腔膨胀理论基础上,通过不同强度混凝土材料的侵彻实验数据直接识别建立混凝土材料综合动态强度参数psd与混凝土材料无侧限压缩强度σ-b的经验关系式;从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性,提出“简化等效阻力线”的计算方法;指出球形空腔膨胀理论的阻力算式中取动阻力项系数B=1。

Research on spherical expansion perlite with closed pore and its properties and application;

球形闭孔膨胀珍珠岩研究——产品性能与应用

The Structure features and properties of the spherical expansion perlite with closed pore were described, and comparedwith the abroad and the traditional product.

论述了球形闭孔膨胀珍珠岩的结构特征和产品性能,并与国外同类产品及传统多孔产品进行了比较,同时介绍了该产品的应用情况。

Design of Production Line of Spherical and Closed-porous Expanded Pearlite with 7200t of Annual Capacity;

年产7200t球形闭孔膨胀珍珠岩生产线设计

Performance comparison between glazed hollow bead and closed-cell expanded perlite

玻化微珠与闭孔膨胀珍珠岩的性能比较

Expanded perlite insulation

GB/T10303-1988膨胀珍珠岩绝热制品

expanded perlite

膨胀珍珠岩(隔热隔音材料)

Preparation of paraffin/expanded perlite composite phase change materials

石蜡/膨胀珍珠岩复合相变材料的制备

Test methods for expanded perlite insulation--Outset quality

GB/T5486.1-1985膨胀珍珠岩绝热制品试验方法外观质量

Test methods for expanded perlite insulation--Compressive strength

GB/T5486.2-1985膨胀珍珠岩绝热制品试验方法抗压强度

The Application of Moisture Proof Expansive Pearle in Emulsifying Explosive;

憎水型膨胀珍珠岩在乳化炸药中应用研究

Study on the application of expanded perlite in functional coating

膨胀珍珠岩在功能涂料领域的应用研究

Test methods for expanded perlite insulation--Density and water content

GB/T5486.3-1985膨胀珍珠岩绝热制品试验方法密度和含水率

Sampling schemes and methods for expanded perlite insulation

GB/T5485-1985膨胀珍珠岩绝热制品抽样方案和抽样方法

Study on Expanded Perlite Cushioning Packaging Material Based on UR7505A Adhesive;

基于UR7505A型黏合剂的膨胀珍珠岩缓冲包装材料的研究

The material, mainly expanding perlite with abio-viscose and strengthened material is pressed by pressing machines and dried or warmed by the fire.

主要材料为膨胀珍珠岩，加入无机粘接剂与加强材料经压机压合烘养而成。

A Study on Water-Swelling Property of Pore-Scale Elastic Polymer Microsphere

孔喉尺度聚合物弹性微球膨胀性能研究

Test Research on Deformation Law of Expansive Rock Water-absorbing with Geogrid-reinforcement

土工格栅对膨胀岩吸湿变形规律的影响研究

On construction technology of deformation treatment in primary support of tunnels in swelling-rock

浅议膨胀岩隧道初支变形处理施工技术

Deformation mechanism and prevention measures for strongly expansive soft-rock slope in Yanji Basin

延吉盆地强膨胀软岩边坡变形机理及防治措施

Experimental Study on Shear Strength and Anchorage Behavior of Steel Tie Bar and Expansion Bolt in Shale Perforated Brick Masonry;

页岩多孔砖砌体抗剪性能与拉结筋、膨胀螺栓锚固性能的试验研究