Standard No.:	JC/T 724-2005
English Name:	Electrically driven flexure testing device for strength of cement mortar
Chinese Name:	水泥胶砂电动抗折试验机
Chinese Classification:	N72    Nonmetal material testing machine
Professional Classification:	JC    Professional Standard - Building Material
Source Content Issued by:	NDRC
Issued on:	2005-02-14
Implemented on:	2005-7-1
Status:	valid
Superseding:	JC/T 724-1982(1996) 水泥物理检验仪器 电动抗折试验机
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	90.0
Delivery:	via email in 1 business day

This standard specifies the structure, technical requirements, inspection methods, inspection rules as well as marking and packaging of electrically driven flexure testing device (hereinafter referred to as flexure testing device). This standard is applicable to the flexure testing device for testing the flexural strength of cement mortar (prism specimen of 40mm×40mm×160mm). 2 Structure The flexure testing device is of double-arm lever type, which is mainly composed of frame, reversible motor, drive screw, scale, flexure testing fixture, etc. While working, the load is gradually increased as the sliding weight moves along the lever. The maximum load of flexure testing device shall not be less than 5000N. Its structure is shown in Figure 1.

Foreword i 1 Scope 2 Structure 3 Technical requirements 4 Inspection methods 5 Inspection rules 6 Marking and packaging