Abstract

Shear Strength of Unbound Crop by-Products Using the Direct Shear Box Apparatus

Highlights

  • IntroductionHemp concrete-a mix of hemp shiv with a lime-based binder-is often cast into the walls of timber frames or inserted as a masonry infill block

  • To address the challenges of global climate change, there is a pressing need to work with alternative building methods based on the use of locally available and renewable resources

  • The gap between rice husk and hemp shiv becomes significant for a normal stress of 150 kPa

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Summary

Introduction

Hemp concrete-a mix of hemp shiv with a lime-based binder-is often cast into the walls of timber frames or inserted as a masonry infill block. This material has expanded since the 1990s, especially in Northern Europe (France, Belgium and UK). Hemp-lime concrete was first developed in order to add hygrothermal performance to medieval timber framed buildings. It can be used for the renovation of buildings as is the case of the tourism office in Troyes (France) which was initially built with a timber frame and cob (claystraw). Bio-based concretes can be considered as an alternative to well-known systems including concrete

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