Minas y canteras

APPARATUS FOR THE HEAT TREATMENT OF MATERIALS

10/06/2026 - Apparatus (10; 10') for the heat treatment of materials (M) comprising both a reaction chamber (11) configured to receive materials (M) to be treated and provided with an advance device (15)...

Determination and stability determination method for excavation dangerous slip plane of gravel pile composite foundation

06/12/2024 - The invention belongs to the technical field of excavation of dangerous slip planes, and particularly relates to a gravel pile composite foundation excavation dangerous slip plane determination...

Synchronous construction method for crossing iron swivel bridge and underneath passing pipe gallery in urban complex environment

03/12/2024 - The invention relates to a synchronous construction method for a cross-iron swivel bridge and an underneath pass pipe gallery in an urban complex environment. The method comprises the specific...

Suspension protection excavation method for existing pipeline

26/11/2024 - The invention discloses a suspension protection excavation method for an existing pipeline, which can effectively protect the pipeline, reduce the disturbance of soil around the pipeline in the...

Deep foundation pit excavation method

22/11/2024 - The invention discloses a deep foundation pit excavation method which comprises the following steps: S1, inputting conditions before deep foundation pit excavation based on a convenient CAD...

Excavation method for asymmetric foundation pits on two sides of arc subway tunnel

12/11/2024 - The invention discloses an excavation method for asymmetric foundation pits on the two sides of an arc subway tunnel. The excavation method comprises the steps that S100, a foundation pit is...

Yellow phosphorus sealing material and preparation method and application thereof

29/10/2024 - The invention relates to the technical field of environmental protection, in particular to a yellow phosphorus sealing material as well as a preparation method and application thereof, which are...

Rock slope excavation method

01/11/2024 - The invention discloses a rock mass slope excavation method, which comprises the following steps of: excavating to the front of a designed excavation structure line, reserving a reserved...

Stone cutting excavation construction method for deep foundation pit close to existing line

08/11/2024 - The invention discloses a deep foundation pit stonework cutting excavation construction method adjacent to an existing line, and belongs to the technical field of deep foundation pit stonework...

Step-by-step layered excavation construction method for slope with dangerous terrain and poor self-stability

03/01/2025 - The invention discloses a construction method for excavating and protecting a slope with a dangerous terrain and poor self-stability by utilizing a step-by-step layering method, which comprises...

Arch support construction method in tunnel excavation mode

03/01/2025 - The invention relates to the field of bridge construction, in particular to a tunnel excavation type skewback construction method which comprises the following steps: partitioning a skewback...

Building deep foundation pit excavation construction device and construction method

10/12/2024 - The invention discloses a building deep foundation pit excavation construction device and method, the construction device comprises an excavator body, a positioning assembly and a stabilizing...

Earth excavation construction method for staggered deep and large pits in pits under complex overtown beach geology

06/12/2024 - The invention provides a staggered deep and large pit-in-pit earth excavation construction method under complex overtown beach geology. The method comprises the steps that a precipitation test and...

River channel excavation construction method

03/01/2025 - The invention discloses a riverway excavation construction method which comprises the steps that S1, according to a designed riverway, a plurality of construction areas are divided, and at least...

Combined anti-upheaval reinforcing method for existing large-span operation open-cut tunnel pipe roofs

28/01/2025 - The invention discloses an existing large-span operation open-cut tunnel pipe-roofing combined anti-upheaval reinforcing method. The method comprises the following steps that a site is leveled,...

Deep cutting roadbed excavation construction method

28/01/2025 - The invention discloses a deep cutting roadbed excavation construction method, which comprises the following steps of: designing a cutting excavation range and an excavation support scheme...

Construction and monitoring method, device and equipment of underground diaphragm wall and storage medium

07/01/2025 - The invention provides an underground diaphragm wall construction and monitoring method and device, equipment and a storage medium, and the method comprises the steps: building a wall body model...

Combined anti-upheaval reinforcing method for existing large-span operation open cut tunnel

10/01/2025 - The invention discloses a combined anti-upheaval reinforcing method for an existing large-span operation open cut tunnel. The combined anti-upheaval reinforcing method comprises the following...

Construction method of subway station

10/01/2025 - The invention belongs to the technical field of subway construction, and discloses a construction method of a subway station. The construction method of the subway station comprises the following...

Arched non-column open-cut subway station shield unearthing structure and construction method thereof

18/02/2025 - The invention discloses an arched non-column open-cut subway station shield unearthed structure, and relates to the technical field of subway station construction, is applied to a non-column...

Tailing pond closing efficient energy-saving combined temporary paving device and digging and filling method

18/02/2025 - The invention discloses an efficient and energy-saving combined temporary paving device for tailing pond closing and a digging and filling method, and belongs to the technical field of digging and...