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Gong Xiugang, General Manager of Shanggong Machinery, was invited to give a special report by Shanghai Municipal Engineering Design and Research Institute!

September 18, 2023

September fifteenth in the afternoon,Professional General Contracting Committee of Shanghai Municipal Engineering Design and Research Institute、Structural Professional Committee、Jointly sponsored by the Discipline Committee of Underground Space and Underground Engineering《Innovative construction method of underground space》The symposium was held in the municipal design building.,This symposium is based on “Innovation leads、Win-win future”As the theme,Invite chief engineers of enterprises in the field of underground space engineering construction、Project Manager、There are more than 130 designers in the Municipal Design Institute.,Discuss the technical development of construction method innovation and equipment application of underground space foundation。

As an invited unit,Gong Xiugang, general manager of Shanggong Machinery, was invited to attend the meeting.,At the meeting《Innovation and application of underground space construction method》As the title,AroundTRDConstruction method and equipment、CSMConstruction method and equipment、DMPConstruction method and equipment、Pile-planting method and construction equipment、Special reports were made on key technologies such as digital construction control technology.。

▲The scene of the symposium

          TRDConstruction method and equipment

Right in the reportTRDConstruction principle of construction method、Construction process、Wall-forming method、Construction advantages、The application fields of construction methods are described.,Through ultra-deepTRDNew technologies and typical construction cases,And go to workTRDDevelopment course of series construction equipment,Demonstrated Shanggong MachineryTRDThe series of construction machines ensure the quality of wall formation in the construction of municipal projects at all levels throughout the country.,Case results to improve construction efficiency。In 2012, Shanggong Machinery independently developed the first 61 in China.mConstruction capacityTRDEquipment,At present, it has formedTRD-60/70/80(Dual power system)Three series,AmongTRD-80E(Pure Electric Power Drive)Maximum construction depth created by construction machine 86mThe world record,Has become an industryTRDThe leading enterprise of construction machine。Further expand the product range in 2022,Push outTRD-C50 process machine,Then to this year's pure electric drive.TRD-C40EListing,Subdivision of Shanggong Machinery Products“Value competitiveness”It has been fully reflected.,Consolidate againTRDIndustry leading position。General Manager Gong cited many typical construction cases all over the country.,In-depth analysis of Shanggong MachineryTRDMain technical features of the whole series of process machines、New technology、New intelligent control technology,And give a comprehensive introduction toTRDCore advantages of construction method and equipment in the construction field of equal-thickness cement mixing wall;

▲TRDConstruction method machine construction case

          CSMConstruction method and equipment

CSMThe method is also called milling deep mixing method.,Combination of reportsCSMConstruction process、 Advantage ,Focus on the sharing of Shanggong MachineryMS45 double-wheel mixing machine adopts pure electric drive.、High direct drive efficiency of variable-frequency adjustable-speed motor、The operation cost is low、Alternative hydraulic transmission system、And that purchase cost is low,Operating costs are hydraulic2/3,Power consumption as low as 8 degrees/Fang,Time-sharing emergency overload 1.5x,Motor forced cooling technology and other technical innovations.,As well as product construction management system technology using a number of data acquisition and storage technology.、Detection system、Monitoring System、Monitoring system、Fault diagnosis system and other technologies and their application in many typical construction cases and other technical achievements。

▲MSConstruction case of series double-wheel mixing drilling rig

          DMPConstruction method and equipment

DMPConstruction method is a new digital technology of micro-disturbance mixing pile, which is a kind of gas.、Slurry combined construction method,The method is mainly use for solving that problem that the strength of a pile body is uneven in the construction proces of the traditional mixing pile.、The level of informatization is low、Construction quality is difficult to control、More replacement soil、The construction disturbance is large、Low pile-forming efficiency and the like;This method can effectively reduce the resistance during deep mixing.,Improve the mixing uniformity of cement soil and the quality of pile formation。Construction equipment corresponding to construction methodDMP-IThe digital micro-disturbance mixing pile machine has the following characteristics::●Precise monitoring,Adjust the slurry in real time、Air pressure,Reduce formation disturbance; ●Special drill pipe,For pulp、Air pressure opens a release channel;●Additional cutting blades as required,Prevent clay from adhering to drill pipe and forming mud ball,Reduce the disturbance to the formation;●Design of special drilling tools and corollary equipment,And that stir uniformity is improved、Pile verticality can be controlled at 1/300。From the reportDMPConstruction method compared with other traditional construction technology,It shows the latest project achievements and construction core advantages of shotcrete mixing technology and engineering cases in underground engineering construction information control technology.。

▲DMP-IConstruction case of digital micro-disturbance mixing pile machine

          Pile-planting method and construction equipment

The static drilling and rooting method is to use the static drilling and rooting pile drilling machine to drill holes.、Deep mixing and under-reamed grouting mixing,Finally, the precast pile is implanted,And press Drill、Bottom expansion、Grouting、Pile foundation construction method for implantation and other processes。The pile-planting construction method has the advantages of no soil squeezing,、No vibration、Low noise;And that pile quality is good,The elevation of pile top is fully controllable.;Very strong vertical compression resistance、Withdrawal and horizontal load resistance;Less mud discharge and the like.。

The report is based on the research background of pile-planting method.、Characteristics of pile-planting method、Equipment configuration of pile-planting method、Construction cases and other aspects are explained.,Explain Shanggong MachinerySDPThe series of static drilling and rooting machine has the advantages of large torque,,The drilling depth is large, High technology content,The reliability is good,High construction efficiency and the like,Its performance has reached the international advanced level.。

▲SDPConstruction case of a series of static drilling and pile-planting machine

        Digital integrated management platform

How to Realize Digital Integrated Management Platform?Adopted in the reportDMPConstruction management system to illustrate.,DMPThe content collected and displayed by the digital construction management system shall include the shotcrete pressure、Slurry flow、Jet pressure、Underground pressure、Pile depth、Pile forming speed、Pile-forming verticality and other parameters。And may be generate to include that length of the pile,、Construction time、Underground pressure、Cement consumption、Construction record of parameters such as pile verticality,At the same time, it can also centrally control the monitoring screen.,Remote monitoring through mobile phones,Operation management is easier, so that owners can achieve construction process tracking and remote supervision of construction quality.。

Digital Integrated Management Platform Report

Live interaction,Discuss the construction method of underground space foundation

Question and answer session at the end of the report,The designers of Shanghai Municipal Engineering Design and Research Institute are very interested in these new construction methods of Shanggong Machinery.、The scene scrambled to ask questions,Gong Xiugang, General Manager of Shanggong Machinery, and Chief Engineer of Enterprises in the Field of Underground Space Engineering Construction、The project manager answers each of these questions.。In recent years,To promote the sustainable development of the construction industry,We should stick to green and low carbon.、The development path of energy conservation and emission reduction,Industrialization of foundation pit engineering is an effective means to achieve energy saving and emission reduction。In construction、Underground works、Enclosure of deep foundation pit、Revetment works、Tunnel、Construction projects of underground structures and space utilization such as dams,With the development of underground space structure, the scale is becoming larger and larger.、Deep、Tight、Complex and changeable development,It also provides a broad stage for the theory and technology of underground structure and space utilization.。Country“Fourteen five”Plan:Accelerate digital transformation、Promote green development、Improve the quality of the city in an all-round way、We will further promote low-carbon transformation in construction and other fields.,Shanggong Machinery series chemical equipment has contributed to the construction of many underground space projects and the application of deep foundation pit projects in urban buildings all over the country.,In order to meet the engineering requirements of ultra-deep foundation pit,Intelligentization of construction equipment、Visualization、Informatization、Low environmental impact has become the direction of development and unremitting efforts.。

Shanggong Machinery is committed to the development of large underground space and the research of related construction methods and construction equipment technology.,Numerous construction cases prove that,The core technology of Shanggong Machinery in equipment construction、Important achievements have been made in the development of construction technology.,It has become the preferred choice for the majority of users to purchase machines.,Shanggong Machinery will always uphold“Professional services、Create value”A code of conduct,With the vast number of industry colleagues,Together with the vast number of users and friends,Work together to achieve greater mutual benefit and win-win results,Work together to write a new chapter of future development!

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