JC/T 682-2022 in English

Jolting table for compacting cement mortar

1 Scope

This document specifies the general provisions, technical requirements, inspection methods, inspection rules, inspection report as well as marking and packaging of jolting table for compacting cement mortar (hereinafter referred to as jolting table).

This document is applicable to the jolting table under test according to GB/T 17671.

2 Normative references

The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.

GB/T 17671 Test method of cement mortar strength (ISO method)

3 Terms and definitions

No terms and definitions are listed in this document.

4 General provisions

As specified in GB/T 17671, the jolting table is the standard forming equipment for the strength inspection of cement mortar, and it should be processed and manufactured according to verified drawings.

The jolting table consists of table panel, the cam causing it to jump, etc. The table panel is provided with a locking mechanism for fixing the test die and die sleeve, and connected with two swing arms for stabilization. The cam is controlled by a controller to rotate according to certain requirements, ensuring that the table panel is able to rise smoothly to a certain height and then fall freely with the raised head at the center hitting the stop dog exactly. The structure of typical jolting table is shown in Figure 1.



Key:

1——cross rib;

2——swing arm;

3——die sleeve;

4——locking mechanism;

5——test die;

6——table panel;

7——raised head;

8——stop dog;

9——supporting roller;

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General provisions
5 Technical requirements
6 Inspection method
7 Inspection rules
8 Inspection report
9 Marking and packaging
Annex A (Informative) Installation of jolting table for compacting cement mortar