YJACK FAQs

Where the product origin ?

YJACK is a Malaysia company and accredited Malaysia Brand Certification Scheme.

What kind of service that provided by YJACK Technology ?

YJACK responsible is to carry out pile load test by using YJACK Method with provided service to client starting with proposal for approval, product fabrication, product installation, preparing equipment for testing, carry out testing, testing analysis and testing report.

How long preparation time that YJACK require to carry out testing using YJACK ?

YJACK will be separate to fabrication, installation, testing and reporting. YJACK will be ready to site for installation by three (3) days notice. For installation time it will take maximum four (4) hours to complete. However for testing will depend on loading schedule that follow consultant requirement or standard. After testing, full official report with Professional Engineer (with practicing certificate) will be issue by three (3) working days, however client can request to know preliminary result in one (1) working day.

As client that want to proposing YJACK for pile load test, what requirement and preparation need provide ?

YJACK will prepare for client specific method of statement (MOS) for every pile for client use as proposal to consultant. To preparing MOS, client need to provide data of pile design and nearest borehole (soil investigation) at the test location.

If consultant request to have detail explanation and clarification, how YJACK will assist client ?

YJACK will sent technical team to attend any meeting between client, main contractor and consultant to do presentation and briefing in detail about YJACK. All the inquiry can be ask during that time.

Which specification and standard can be refer to apply YJACK in pile load test ?

Client, contractor and consultant can refer to Specification on Bi-Direction Pile Load Test Using YJACK Technology Part 1 of 2: Cast in-Situ Bored Piles and Part to of 2: Precast Concrete Piles. This specification is adoption and modified from Singapore Standard SS/CP04 (2003), Chinese Standard DB45/T564 (2009), Chinese Standard JGJ/T403 (2017) and ASTM D8169 Bidirectional Test Guidelines (2018).

How YJACK ensure the legitimate of all the equipment use in testing ?

All equipment and testing apparatus use have been calibrated by the accredited recognized bodies of Malaysia government.

What concept comparison between YJACK with others pile test ?

YJACK method is a static test that in same category of kentledge block and anchor pile. YJACK concept come with changing load location at the top of the pile to the balance level of geotechnical capacity of a pile body.

YJACK changing physical load from ketledge to mechanical load from YJACK. By putting YJACK at balance level of geotechnical capacity, resistance to jack will come from skin friction from pile body above YJACK level and resistance from skin friction from pile body below YJACK level and end bearing.

YJACK can solve problem of the conventional method that difficult in preparation at the slope, river, marine, constraint space and soft ground. Besides, productivity and effectiveness can be increase with reducing number of resources use from preparation until to testing time.

Installation require to use crane and back hoe to attach jack and rebar cage. Client should provide to YJACK team one (1) crane operator, one (1) welder and two (2) general worker to assist YJACK team installation. However, resource not to use for the whole time but only for several time and activity.

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Why People Choose YJACK?

30 years of Experience

Those that spearhead YJACK have 30 years experience in managing as well as developing a business suited to the pile testing industry

Global Solutions

We have operations in multiple countries that give us a wide scope of experience in different geotechnical environments and regions

Proprietary Technology

Our world patents allow us to maintain technology that is unique to us and is able to solve problems that the bi-directional testing industry encounters through our own jack technology

No Steel Plates

The exclusion of the steel plates allow the YJACK to significantly reduce the risk of soft layers forming around the jack and create an overall more reliable and accurate system

Business Opportunities

We are looking for distributors and markets in many other countries to continue making a difference in the pile testing world and continue the dream of being the world's best pile test

Competent Team

We employ a young and dynamic team that is willing to go the distance for the company and contribute ideas as well as time to make sure the company is able to achieve our sustainability goals

How to reach YJACK?

YJACK Contacts 

KL Office
20, Jalan PP 11/5, Alam Perdana Industrial Park, 47130 Puchong, Selangor, Malaysia

Tel: +6016 - 2158 129
info@yjackpiletest.com
yjackpiletest.com



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