混凝土抗压弹性模量Ec按下式计算：

 PA-终载荷（N）PO-初载荷（N）△a-第五次或后次加荷，试件两侧在PA及PO作用下变形差平均值（mm)L-标距（mm)A-试件断面积（mm2)以3根试件实验结果的算术平均值为测定值。若任抽心抗压强度平均值之差超过平均值20%，则EC按另两根试件试验结果的算术平均值计算，若两根试件结果超出规定，试验无效。结果精确至100Mpa
参数规格
 TM-2砼弹性模量测定仪
 

1、适用砼弹性模量试块....150×150×300mm,        

   φ150×300mm  100×100×300mm, φ100×300mm

2、千分表量程.......0-1mm

3、上、下环中心距.......150mm

4、下环离底部距离.........75mm

公司介绍
 

我公司把顾客放在位，建立起了产售、售中、售后服务规范，全方位、全过程满足顾客要求，使我们的产和服务深得顾客的信赖，与顾客建立起了长期合作和互利关系。

Our company puts the customer first, has established the product pre-sale, the sale, the after-sale service standard, the omni-directional, the entire process satisfies the customer request, causes our product ａnd the service deep customer＇s trust, established A long-term cooperation ａnd mutually beneficial relationship with customers.

公司秉承“视售后服务为产质量的延伸，视产质量为企业生命”的宗旨，在网络化的售后服务管理体系的保障下，为用户提供优质的产和服务。我公司如既往在“和谐、诚信、专业、增值”价值观引下成为公路仪器和建筑仪器流的供应商。
 The company adheres to the Tenet of "Regard after-sales service as the extension of product quality, regard product quality as the life of the enterprise" , ａnd under the protection of the network The Adjuster management system, provide the best quality products ａnd services for users. As always, our company has become the first-class supplier of highway instrument ａnd Construction Instrument under the guidance of "harmony, integrity, professionalism ａnd value-added" values.

我们热忱期盼与各位业内人士携手并进、共创未来!

We look forward to working together with the industry to create a better future!