hydraulic hollow jack for precast concrete construction

Portable Prestressing Jacks| Concrete Construction Magazine

Portable prestressing jacks are used at precast plants for single-strand tensioning before concrete is poured. These jacks are self-contained units, equipped with motor, pump, ram and controls. They have maximum working capacities ranging between 45,000 and 52,000 pounds. In general, two workers are required to operate this type of jack.

Production in the factory - Paul

Precast concrete elements for structural engineering are efficiently produced with consistent quality at the precast concrete factory. ... with the appropriate hydraulic pump units with jack lifting unit, pneumatic tires and multiple connections or smaller and better manoeuvrable pump units for constricted space conditions ... Hollow core slabs ...

Quiz 16 Concrete and Masonry Flashcards | Quizlet

When equipped with hydraulic or pneumatic gates, these must have postitive safety latches to prevent accidental dumping : Concrete buckets Discharged pipes on these must be provided with pipe supports designed for 100% : Concrete pumping systems

concrete jacks, concrete jacks Suppliers and Manufacturers

496 concrete jacks products are offered for sale by suppliers on .com, of which scaffoldings accounts for 32%, car jacks accounts for 18%, and metal building materials accounts for 6%. A wide variety of concrete jacks options are available to you, There are 494 suppliers who sells concrete jacks on .com, mainly located in Asia.

Hydraulic Jack For Construction For Tensile Steel Strands

Hydraulic Jack For Construction For Tensile Steel Strands In Bridge Girders Hollow Hydraulic Jack 300 Ton , Find Complete Details about Hydraulic Jack For Construction For Tensile Steel Strands In Bridge Girders Hollow Hydraulic Jack 300 Ton,Hydraulic Jack For Construction For Tensile Steel Strands In Bridge Girders Hollow Hydraulic Jack 300 Ton from Car Jacks Supplier or Manufacturer …

Cutting a Prestressed Precast Floor| Concrete Construction

Q: We are installing a lift in a church that has a prestressed, precast concrete elevated floor. Concern has been expressed about cutting an opening in the floor to install a lift. Can a precast hollow-core concrete floor be cut? Any instructions to make this safer would be greatly appreciated.

stress core concrete, stress core concrete Suppliers and

Concrete Construction Anchor Stressing Jack for 12.7mm 15.2mm PC Strand ... houses is shipped by the most professional shipping team in China-- Welcome to contact us for the best offer of precast concrete hollow core slab machine ! ... LEC Flat Concrete Slabs Post Tension Prestressed 800 Tons Hydraulic Hollow Jack . US $1200-$ ...

jacks concrete, jacks concrete Suppliers and Manufacturers

Precast concrete box culverts shall meet the requirements of Section 706-17 Precast Concrete ... conform to the requirements stated in the Prestressed Concrete Construction Manual (PCCM) except that grout holes shall have a maximum spacing of 4 feet ... rollers and cradles. Hydraulic jacks shall be individually controlled and distribute load to ...

Grout Pumps| Concrete Construction Magazine

442 jacks concrete products are offered for sale by suppliers on .com, of which concrete mixers accounts for 12%, metal building materials accounts for 7%, and formwork accounts for 6%. A wide variety of jacks concrete options are available to you, There are 442 suppliers who sells jacks concrete on .com, mainly located in Asia.

Prestressed Concrete Small Hydraulic Jack - Buy Small

Mar 26, 2007· It is designed for mortar and block fill, masonry grouting, pumping stem walls, and shotcrete/general concrete applications. This trailer-mounted pump's S-valve design has outlet end adjustment when tightening is required. Additional features include a hinged hopper, hydraulic remixer, and manual outriggers.

A-Jacks - conteches.com

Prestressed Concrete Small Hydraulic Jack , Find Complete Details about Prestressed Concrete Small Hydraulic Jack,Small Hydraulic Jack,Concrete Hydraulic Jack,Prestressed Concrete Hydraulic Jack from Car Jacks Supplier or Manufacturer-Henan Yugong Machinery Co., Ltd.

Concrete Shear Calculation Spreadsheet

A-Jacks® A-Jacks are concrete armor units designed to interlock into a flexible, highly permeable matrix. The ability of the A-Jacks system to dissipate energy and resist the erosive forces of flowing water allows it to protect against scour and erosion.

Prestressed Jack Factory, Custom Prestressed Jack …

Jan 28, 2020· Concrete Shear Calculation Spreadsheet Download Link ... Precast Concrete Walls Details Autocad Drawing ... cad free concrete dams drainage drawing dwg dwg free Etabs Excel Sheet foundation free cad free drawing Free dwg geotechnical highway hydraulic Landslide lidar Manhole pavement pile pmp powerpoint presentation Presentation project ...

Prestressed Concrete Technology

Large Tonnage Prestressed Concrete Tension Jack for Box Bridge Girder Construction. ... Precast Concrete Production Line , Cage Welding Machine , Pole Making Machine , Pile Mould , Pole Mould ... Hydraulic Hollow Cylinder Jack, Hydraulic Lifting Jack, Electric Hydraulic Oil Pump , …

Prestressed Concrete Elements - Exeed Precast

We´ve been building machinery and accessories for the manufacture of prestressed concrete for 60 years in close cooperation with users from all over the world. In 1959 Paul delivered the first single-wire stressing jack with the then revolutionary two-button operation, and, with this development, laid the foundation stone of a successful future.

Cutting a Prestressed Precast Floor| Concrete Construction

The Prestressed elements are produced on Exeed Precast’s special 100 meter long pre-stressing beds, where it’s main reinforcement, 7 wire low relaxation strands, are tensioned individually between two abutments by means of a special hydraulic jack, according to the required structural design.

Lifting Jack - Henan Prestressing Equipment Co., Limited

Are there general guidelines for cutting through prestressed precast concrete? A local church wants to install an elevator, which would mean cutting an existing elevated precast concrete hollow core floor. They asked us for advice, but we don’t have any experience with structural precast. A.

MI-JACK Products » Associates - Precast Concrete

Ydc Series Hydraulic Hollow Jack for Precast Concrete Construction FOB Price: US $1,500 / SET. Min. Order: 1 SET. Ydc Serie Hollow Plunger Hydraulic Pretensioned Jack ... Ydt Series Pre-Loading Hydraulic Jack for Flat Concrete Slab FOB Price: US $1,500 / SET. Min. Order: 1 SET. Ydt Series Prestressing Hydraulic Lifting Jack ...

Precast Company in Telangana | Precast Companies in

PCMA appreciates our Associate Members for their experience, knowledge, and commitment to the precast prestressed concrete industry. Mi-Jack Products, Inc. is recognized as an industry leader and innovator in Travelift® and Translift® rubber tire gantry …

MI-JACK Products » Associates - Precast Concrete

We offer wide range expertise in the fields of structural Design for total building systems, redesign for conventional to Precast structures, manufacturing of components in Precast and Pre-stressed Concrete as well as transportation and erection of concrete panels. We undertake both Precast and Cast-in-situ construction turnkey projects.

Precast Concrete Reinforcement - NPCA

2018 best in precast concrete awards; Best of 2017; Best of 2016; Education. Learn@Lunch. An Introduction to Precast Concrete Residential Housing; Artist’s Palette: The Aesthetic Versatility of Precast Concrete; Construction Solutions using Hollow Core Concrete; Precast Concrete Bridge & Transportation Structures; Designing High-Performance ...

Using Permanent Shoring Jacks to - Concrete Construction

The many different reinforcing technologies available offer plenty of options for precast concrete manufacturers and designers. ... Precast Concrete Reinforcement: An Ever-Evolving Technology. ... After the concrete has sufficiently cured, the tendons are stretched tight with hydraulic jacks and wedged in place to maintain their tight grip. In ...

High Construction Efficiency of Hydraulic Concrete Pump

The jacks remain in place even after the foundation is poured. When deepening a foundation, permanent shoring jacks support the structure as the area around and beneath the existing foundation is excavated. When the needed repairs are made, the shoring jacks again remain in …

China Precast Construction, Precast Construction

Our hydraulic concrete pumps have the characteristics of high construction efficiency, low cost, convenient operate, high reliability and long service life like ordinary diesel concrete pump and electric concrete pump. Our hydraulic concrete pump are widely used in concrete construction projects of urban construction, mining, electricity ...

Take a New Look at Precast Concrete

China Precast Construction manufacturers - Select 2020 high quality Precast Construction products in best price from certified Chinese Construction Machinery manufacturers, China Crane suppliers, wholesalers and factory on Made-in-China.com

Construction - Concrete | Britannica

Box Culverts. Precast concrete box and 3-sided culverts are incredibly versatile. They can be manufactured in a wide range of sizes and configurations, and can be used to convey stormwater or wastewater, create short span-bridges and access ways, or for rainwater retention or detention, to name only a few applications.

Pseudostatic testing for load-carrying capacity of precast

Construction - Construction - Concrete: Reinforced concrete is also a major structural material in these buildings. Indeed, outside of North America and western Europe, it is the dominant industrialized building material. Its component parts are readily available throughout the world at fairly low cost.

Pseudostatic testing for load-carrying capacity of precast concrete-encased steel composite columns ... foam formwork or reusable inflated rubber formwork can be used in the precast outer part to further facilitate the construction of the precast step. ... a constant vertical compressive load was applied on the column top using a hydraulic jack ...Author: Yicong Xue, Yicong Xue, Yong Yang, Yunlong Yu

QUALITY CONTROL AND QUALITY ASSURANCE OF PRECAST/PRESTRESSED CONCRETE MEMBERS ... concrete members and structural precast concrete members are produced in compliance with the Plans, approved drawings, and specifications. ... Prior to construction of concrete members, the producer is required to submit plans of casting beds to the State ...File Size: 813KB