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How to deal with hole collapse during drilling?
1. Quality problems and phenomena Wall collapse during drilling or after hole formation. 2. Cause analysis 1) Due to the small mud consistency, poor wall protection effect, water leakage; Or the shell is buried shallow, or the surrounding sealing is not dense and there is wat...Read more -
How to ensure the pouring quality of the dug pile concrete?
1. Quality problems and phenomena Concrete segregation; The strength of concrete is insufficient. 2. Cause analysis 1) There are problems with concrete raw materials and mix ratio, or insufficient mixing time. 2) No strings are used when injecting concrete, or the dist...Read more -
How to deal with the perpendicularity deviation of bored pile by rotary drilling rig
1. Project overview The project adopts open-cut construction. If the depth of foundation pit is greater than 3 meters and less than 5 meters, the supporting structure is supported by φ0.7m*0.5m cement soil mixing pile gravity retaining wall. When the depth of foundation pit is greater than 5 mete...Read more -
Super Rig : SD2200
SD2200 is a multi-functional full-hydraulic pile machine with advanced international technology. lt can not only drill bored piles. percussion drilling. dynamic compaction on soft foundation, but also has all the functions of rotary drilling rig and crawler crane. lt also surpasses the traditiona...Read more -
Why do electric rotary drilling rig?
Each diesel rotary drilling rig, that is equivalent to 351 cars. The electric rotary drilling rig can realize pure electric operation. In the mode of pure electric operation, the battery or the power grid can provide power to the equipment and realize zero emission. The electric rotary drilling r...Read more -
Used rotary drilling rig and piling machine for sale
Sinovo have many units reconditioned rotary drillings with good working condition for sale. Brand CRRC , Sany, XCMG, Sunward; Model： TR220D TR250D TR280D mounted on original CAT base Manufacture Year: 2015 Year Working hours: 5600-8500 working hours Model: Sany Model: SR155 Manufacture Year: 201...Read more -
TRD Method . Process Principle
1、Principle: After the chain-blade cutting tool is cut vertically and continuously to the design depth, it is pushed horizontally and injected with cement slurry to form a continuous, equal thickness and seamless cement wall ; 2、Insert core material (H-shaped steel, etc.) into the cement mixing...Read more -
How to refurbished rotary drilling rig by Sinovo
How to refurbished rotary drilling rig by Sinovo Inspection details of Rotary drilling rig Standardized inspection procedures, standard inspection indicators, the total of 34 major items, approximately 170 inspection points, and the overall condition of the machine is clear at a glance. Maximum p...Read more -
Hydraulic pile breakers exported to Europe
Sinovo’s Hydraulic pile breakers are exported to Europe, which are get good feedback from our clients. Equipments with the advantages of Low nosie, low cost and high beneifits, more details and Special dicount for you. Pls kindly contact with us. Whatsapp:+8613466631560 Mail: marketing010@...Read more -
Casing Rotator (SuperTop method)
With the beginning of the renovation of the old city, the immersed pipe piles and prefabricated piles originally constructed in the 1970s and 1980s will become important factors affecting the normal progress of construction. The treatment of the original existed foundation piles has become an imp...Read more -
When used machine arrive at Sinovo’s factory, what we will do? What’s reconditioned rotary drilling rig?
When used machine arrive at Sinovo’s factory, what we will do? What’s reconditioned rotary drilling rig? We will Performa the following details for delivery. 1. Check the engine by ET system, maintain engine, replace filters, and repair engine, or replace new engine as request’s clients. 2. Chec...Read more -
برج خليفة burj khalifah （Burj Khalifa Tower）in Dubai is World’s Tallest Tower, Sinovo’s rotary drilling rig was used to work here. Sinovo, we specialize in foundation equipment & drill accessories since 1998, until now 200 units Series rotary drilling rigs approved CE/ ISO90...Read more