Moulding bed structure and pouring method
A tire mold and concrete pouring technology, which is applied in basic structure engineering, excavation, construction, etc., can solve the problems of wasting manpower and material resources, large construction space, environmental hazards, etc., and save template and labor, save mechanical costs, and save secondary construction effect
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Embodiment 1
[0016] Pouring tire mold of the present invention comprises the following steps:
[0017] The first step is to discharge the accumulated water in the foundation pit;
[0018] The second step is to excavate the earthwork to the design depth of the foundation pit;
[0019] The third step is as image 3 As shown, the first template 3 is supported along the inner wall of the membrane foundation pit 102;
[0020] The fourth step is as Figure 4 As shown, concrete is poured between the outer wall 101 of the foundation pit and the first formwork 3 and compacted by vibrating to complete the pouring of the tire mold 2;
[0021] The fifth step is as Figure 5 As shown, after the strength of the concrete reaches the standard, the template 3 is removed to complete the pouring of the entire tire mold.
[0022] From the perspective of this embodiment, when pouring the tire mold structure described in this embodiment, only a circle of formwork 3 is supported on the inner side of the tir...
Embodiment 2
[0024] In the process of pouring the tire mold 2, since the outside of the tire mold 2 directly uses the excavated outer wall 101 of the foundation pit as a template, the condition of the outer wall 101 of the foundation pit affects the pouring of concrete.
[0025] If the outer wall 101 of the foundation pit seeps into the foundation pit, it will definitely affect the strength of the tire mold.
[0026] If the stability of the outer wall 101 of the foundation pit is poor, the soil layer on the outer wall 101 of the foundation pit falls off into the foundation pit, which will affect the smooth progress of concrete pouring. In the process of pouring concrete, once the soil layer of the outer wall 101 of the foundation pit collapses or falls into the concrete, not only will the strength of the concrete be reduced, but also the regularity of the shape of the tire mold 2 will be broken, resulting in uneven stress.
[0027] In this embodiment, some processes will be added to deal w...
Embodiment 3
[0037] Such as Figure 7 , Figure 8 with Figure 9 As shown, the difference with embodiment 2 is that when the fifth step of embodiment 2 is carried out, the steel formwork 5 is not raised after the concrete injection is completed, but the steel formwork 5 is lifted while injecting concrete, and at the same time Vibrate. This embodiment is suitable for deep foundation pits. The deeper the foundation pit, the more concrete needs to be injected. If the steel formwork is lifted after the concrete is poured, it will inevitably be squeezed by the outer wall 101 of the foundation pit and the concrete on the steel formwork 5. Due to the strong friction formed by the pressure, a large mechanical force is needed to lift the steel formwork out of the foundation pit. If just mention steel formwork 5 after concrete pouring is finished, just need to overcome powerful pressure and frictional force, as the power of machinery is less, just can't finish this work. On the contrary, the con...
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